5486fac53c
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@237737 91177308-0d34-0410-b5e6-96231b3b80d8
2453 lines
71 KiB
C++
2453 lines
71 KiB
C++
// -*- C++ -*-
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//===------------------------ functional ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_FUNCTIONAL
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#define _LIBCPP_FUNCTIONAL
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/*
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functional synopsis
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namespace std
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{
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template <class Arg, class Result>
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struct unary_function
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{
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typedef Arg argument_type;
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typedef Result result_type;
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};
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template <class Arg1, class Arg2, class Result>
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struct binary_function
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{
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typedef Arg1 first_argument_type;
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typedef Arg2 second_argument_type;
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typedef Result result_type;
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};
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template <class T>
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class reference_wrapper
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: public unary_function<T1, R> // if wrapping a unary functor
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: public binary_function<T1, T2, R> // if wraping a binary functor
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{
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public:
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// types
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typedef T type;
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typedef see below result_type; // Not always defined
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// construct/copy/destroy
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reference_wrapper(T&) noexcept;
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reference_wrapper(T&&) = delete; // do not bind to temps
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reference_wrapper(const reference_wrapper<T>& x) noexcept;
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// assignment
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reference_wrapper& operator=(const reference_wrapper<T>& x) noexcept;
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// access
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operator T& () const noexcept;
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T& get() const noexcept;
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// invoke
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template <class... ArgTypes>
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typename result_of<T&(ArgTypes&&...)>::type
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operator() (ArgTypes&&...) const;
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};
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template <class T> reference_wrapper<T> ref(T& t) noexcept;
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template <class T> void ref(const T&& t) = delete;
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template <class T> reference_wrapper<T> ref(reference_wrapper<T>t) noexcept;
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template <class T> reference_wrapper<const T> cref(const T& t) noexcept;
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template <class T> void cref(const T&& t) = delete;
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template <class T> reference_wrapper<const T> cref(reference_wrapper<T> t) noexcept;
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template <class T> // <class T=void> in C++14
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struct plus : binary_function<T, T, T>
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{
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T operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct minus : binary_function<T, T, T>
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{
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T operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct multiplies : binary_function<T, T, T>
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{
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T operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct divides : binary_function<T, T, T>
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{
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T operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct modulus : binary_function<T, T, T>
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{
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T operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct negate : unary_function<T, T>
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{
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T operator()(const T& x) const;
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};
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template <class T> // <class T=void> in C++14
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struct equal_to : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct not_equal_to : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct greater : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct less : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct greater_equal : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct less_equal : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct logical_and : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct logical_or : binary_function<T, T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct logical_not : unary_function<T, bool>
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{
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bool operator()(const T& x) const;
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};
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template <class T> // <class T=void> in C++14
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struct bit_and : unary_function<T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct bit_or : unary_function<T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T> // <class T=void> in C++14
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struct bit_xor : unary_function<T, bool>
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{
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bool operator()(const T& x, const T& y) const;
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};
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template <class T=void> // C++14
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struct bit_xor : unary_function<T, bool>
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{
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bool operator()(const T& x) const;
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};
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template <class Predicate>
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class unary_negate
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: public unary_function<typename Predicate::argument_type, bool>
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{
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public:
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explicit unary_negate(const Predicate& pred);
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bool operator()(const typename Predicate::argument_type& x) const;
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};
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template <class Predicate> unary_negate<Predicate> not1(const Predicate& pred);
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template <class Predicate>
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class binary_negate
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: public binary_function<typename Predicate::first_argument_type,
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typename Predicate::second_argument_type,
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bool>
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{
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public:
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explicit binary_negate(const Predicate& pred);
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bool operator()(const typename Predicate::first_argument_type& x,
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const typename Predicate::second_argument_type& y) const;
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};
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template <class Predicate> binary_negate<Predicate> not2(const Predicate& pred);
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template<class T> struct is_bind_expression;
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template<class T> struct is_placeholder;
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template<class Fn, class... BoundArgs>
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unspecified bind(Fn&&, BoundArgs&&...);
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template<class R, class Fn, class... BoundArgs>
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unspecified bind(Fn&&, BoundArgs&&...);
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namespace placeholders {
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// M is the implementation-defined number of placeholders
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extern unspecified _1;
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extern unspecified _2;
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.
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.
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.
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extern unspecified _Mp;
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}
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template <class Operation>
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class binder1st
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: public unary_function<typename Operation::second_argument_type,
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typename Operation::result_type>
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{
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protected:
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Operation op;
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typename Operation::first_argument_type value;
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public:
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binder1st(const Operation& x, const typename Operation::first_argument_type y);
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typename Operation::result_type operator()( typename Operation::second_argument_type& x) const;
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typename Operation::result_type operator()(const typename Operation::second_argument_type& x) const;
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};
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template <class Operation, class T>
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binder1st<Operation> bind1st(const Operation& op, const T& x);
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template <class Operation>
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class binder2nd
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: public unary_function<typename Operation::first_argument_type,
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typename Operation::result_type>
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{
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protected:
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Operation op;
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typename Operation::second_argument_type value;
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public:
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binder2nd(const Operation& x, const typename Operation::second_argument_type y);
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typename Operation::result_type operator()( typename Operation::first_argument_type& x) const;
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typename Operation::result_type operator()(const typename Operation::first_argument_type& x) const;
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};
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template <class Operation, class T>
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binder2nd<Operation> bind2nd(const Operation& op, const T& x);
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template <class Arg, class Result>
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class pointer_to_unary_function : public unary_function<Arg, Result>
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{
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public:
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explicit pointer_to_unary_function(Result (*f)(Arg));
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Result operator()(Arg x) const;
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};
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template <class Arg, class Result>
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pointer_to_unary_function<Arg,Result> ptr_fun(Result (*f)(Arg));
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template <class Arg1, class Arg2, class Result>
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class pointer_to_binary_function : public binary_function<Arg1, Arg2, Result>
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{
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public:
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explicit pointer_to_binary_function(Result (*f)(Arg1, Arg2));
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Result operator()(Arg1 x, Arg2 y) const;
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};
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template <class Arg1, class Arg2, class Result>
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pointer_to_binary_function<Arg1,Arg2,Result> ptr_fun(Result (*f)(Arg1,Arg2));
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template<class S, class T>
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class mem_fun_t : public unary_function<T*, S>
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{
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public:
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explicit mem_fun_t(S (T::*p)());
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S operator()(T* p) const;
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};
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template<class S, class T, class A>
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class mem_fun1_t : public binary_function<T*, A, S>
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{
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public:
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explicit mem_fun1_t(S (T::*p)(A));
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S operator()(T* p, A x) const;
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};
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template<class S, class T> mem_fun_t<S,T> mem_fun(S (T::*f)());
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template<class S, class T, class A> mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A));
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template<class S, class T>
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class mem_fun_ref_t : public unary_function<T, S>
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{
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public:
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explicit mem_fun_ref_t(S (T::*p)());
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S operator()(T& p) const;
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};
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template<class S, class T, class A>
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class mem_fun1_ref_t : public binary_function<T, A, S>
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{
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public:
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explicit mem_fun1_ref_t(S (T::*p)(A));
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S operator()(T& p, A x) const;
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};
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template<class S, class T> mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)());
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template<class S, class T, class A> mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A));
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template <class S, class T>
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class const_mem_fun_t : public unary_function<const T*, S>
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{
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public:
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explicit const_mem_fun_t(S (T::*p)() const);
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S operator()(const T* p) const;
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};
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template <class S, class T, class A>
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class const_mem_fun1_t : public binary_function<const T*, A, S>
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{
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public:
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explicit const_mem_fun1_t(S (T::*p)(A) const);
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S operator()(const T* p, A x) const;
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};
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template <class S, class T> const_mem_fun_t<S,T> mem_fun(S (T::*f)() const);
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template <class S, class T, class A> const_mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A) const);
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template <class S, class T>
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class const_mem_fun_ref_t : public unary_function<T, S>
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{
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public:
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explicit const_mem_fun_ref_t(S (T::*p)() const);
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S operator()(const T& p) const;
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};
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template <class S, class T, class A>
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class const_mem_fun1_ref_t : public binary_function<T, A, S>
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{
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public:
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explicit const_mem_fun1_ref_t(S (T::*p)(A) const);
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S operator()(const T& p, A x) const;
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};
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template <class S, class T> const_mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)() const);
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template <class S, class T, class A> const_mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A) const);
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template<class R, class T> unspecified mem_fn(R T::*);
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class bad_function_call
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: public exception
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{
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};
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template<class> class function; // undefined
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template<class R, class... ArgTypes>
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class function<R(ArgTypes...)>
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: public unary_function<T1, R> // iff sizeof...(ArgTypes) == 1 and
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// ArgTypes contains T1
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: public binary_function<T1, T2, R> // iff sizeof...(ArgTypes) == 2 and
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// ArgTypes contains T1 and T2
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{
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public:
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typedef R result_type;
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// construct/copy/destroy:
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function() noexcept;
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function(nullptr_t) noexcept;
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function(const function&);
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function(function&&) noexcept;
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template<class F>
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function(F);
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template<Allocator Alloc>
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function(allocator_arg_t, const Alloc&) noexcept;
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template<Allocator Alloc>
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function(allocator_arg_t, const Alloc&, nullptr_t) noexcept;
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template<Allocator Alloc>
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function(allocator_arg_t, const Alloc&, const function&);
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template<Allocator Alloc>
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function(allocator_arg_t, const Alloc&, function&&);
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template<class F, Allocator Alloc>
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function(allocator_arg_t, const Alloc&, F);
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function& operator=(const function&);
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function& operator=(function&&) noexcept;
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function& operator=(nullptr_t) noexcept;
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template<class F>
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function& operator=(F&&);
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template<class F>
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function& operator=(reference_wrapper<F>) noexcept;
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~function();
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// function modifiers:
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void swap(function&) noexcept;
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template<class F, class Alloc>
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void assign(F&&, const Alloc&);
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// function capacity:
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explicit operator bool() const noexcept;
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// function invocation:
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R operator()(ArgTypes...) const;
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// function target access:
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const std::type_info& target_type() const noexcept;
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template <typename T> T* target() noexcept;
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template <typename T> const T* target() const noexcept;
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};
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// Null pointer comparisons:
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template <class R, class ... ArgTypes>
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bool operator==(const function<R(ArgTypes...)>&, nullptr_t) noexcept;
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template <class R, class ... ArgTypes>
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bool operator==(nullptr_t, const function<R(ArgTypes...)>&) noexcept;
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template <class R, class ... ArgTypes>
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bool operator!=(const function<R(ArgTypes...)>&, nullptr_t) noexcept;
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template <class R, class ... ArgTypes>
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bool operator!=(nullptr_t, const function<R(ArgTypes...)>&) noexcept;
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// specialized algorithms:
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template <class R, class ... ArgTypes>
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void swap(function<R(ArgTypes...)>&, function<R(ArgTypes...)>&) noexcept;
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template <class T> struct hash;
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template <> struct hash<bool>;
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template <> struct hash<char>;
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template <> struct hash<signed char>;
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template <> struct hash<unsigned char>;
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template <> struct hash<char16_t>;
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template <> struct hash<char32_t>;
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template <> struct hash<wchar_t>;
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template <> struct hash<short>;
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template <> struct hash<unsigned short>;
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template <> struct hash<int>;
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template <> struct hash<unsigned int>;
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template <> struct hash<long>;
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template <> struct hash<long long>;
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template <> struct hash<unsigned long>;
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template <> struct hash<unsigned long long>;
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template <> struct hash<float>;
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template <> struct hash<double>;
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template <> struct hash<long double>;
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template<class T> struct hash<T*>;
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} // std
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POLICY: For non-variadic implementations, the number of arguments is limited
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to 3. It is hoped that the need for non-variadic implementations
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will be minimal.
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*/
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#include <__config>
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#include <type_traits>
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#include <typeinfo>
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#include <exception>
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#include <memory>
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#include <tuple>
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#include <__functional_base>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 11
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template <class _Tp = void>
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#else
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template <class _Tp>
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#endif
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struct _LIBCPP_TYPE_VIS_ONLY plus : binary_function<_Tp, _Tp, _Tp>
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{
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
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_Tp operator()(const _Tp& __x, const _Tp& __y) const
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{return __x + __y;}
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};
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#if _LIBCPP_STD_VER > 11
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template <>
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struct _LIBCPP_TYPE_VIS_ONLY plus<void>
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{
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template <class _T1, class _T2>
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_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
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auto operator()(_T1&& __t, _T2&& __u) const
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_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u)))
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|
-> decltype (_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u))
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{ return _VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u); }
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|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY minus : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x - __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY minus<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY multiplies : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x * __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY multiplies<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY divides : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x / __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY divides<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY modulus : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x % __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY modulus<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY negate : unary_function<_Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x) const
|
|
{return -__x;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY negate<void>
|
|
{
|
|
template <class _Tp>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_Tp&& __x) const
|
|
_NOEXCEPT_(noexcept(- _VSTD::forward<_Tp>(__x)))
|
|
-> decltype (- _VSTD::forward<_Tp>(__x))
|
|
{ return - _VSTD::forward<_Tp>(__x); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY equal_to : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x == __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY equal_to<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY not_equal_to : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x != __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY not_equal_to<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY greater : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x > __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY greater<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
// less in <__functional_base>
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY greater_equal : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x >= __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY greater_equal<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY less_equal : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x <= __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY less_equal<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_and : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x && __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_and<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_or : binary_function<_Tp, _Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x || __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_or<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_not : unary_function<_Tp, bool>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Tp& __x) const
|
|
{return !__x;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY logical_not<void>
|
|
{
|
|
template <class _Tp>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_Tp&& __x) const
|
|
_NOEXCEPT_(noexcept(!_VSTD::forward<_Tp>(__x)))
|
|
-> decltype (!_VSTD::forward<_Tp>(__x))
|
|
{ return !_VSTD::forward<_Tp>(__x); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_and : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x & __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_and<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_or : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x | __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_or<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
#else
|
|
template <class _Tp>
|
|
#endif
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_xor : binary_function<_Tp, _Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x, const _Tp& __y) const
|
|
{return __x ^ __y;}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_xor<void>
|
|
{
|
|
template <class _T1, class _T2>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_T1&& __t, _T2&& __u) const
|
|
_NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u)))
|
|
-> decltype (_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u))
|
|
{ return _VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp = void>
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_not : unary_function<_Tp, _Tp>
|
|
{
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
_Tp operator()(const _Tp& __x) const
|
|
{return ~__x;}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY bit_not<void>
|
|
{
|
|
template <class _Tp>
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
auto operator()(_Tp&& __x) const
|
|
_NOEXCEPT_(noexcept(~_VSTD::forward<_Tp>(__x)))
|
|
-> decltype (~_VSTD::forward<_Tp>(__x))
|
|
{ return ~_VSTD::forward<_Tp>(__x); }
|
|
typedef void is_transparent;
|
|
};
|
|
#endif
|
|
|
|
template <class _Predicate>
|
|
class _LIBCPP_TYPE_VIS_ONLY unary_negate
|
|
: public unary_function<typename _Predicate::argument_type, bool>
|
|
{
|
|
_Predicate __pred_;
|
|
public:
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
explicit unary_negate(const _Predicate& __pred)
|
|
: __pred_(__pred) {}
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const typename _Predicate::argument_type& __x) const
|
|
{return !__pred_(__x);}
|
|
};
|
|
|
|
template <class _Predicate>
|
|
inline _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
unary_negate<_Predicate>
|
|
not1(const _Predicate& __pred) {return unary_negate<_Predicate>(__pred);}
|
|
|
|
template <class _Predicate>
|
|
class _LIBCPP_TYPE_VIS_ONLY binary_negate
|
|
: public binary_function<typename _Predicate::first_argument_type,
|
|
typename _Predicate::second_argument_type,
|
|
bool>
|
|
{
|
|
_Predicate __pred_;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
binary_negate(const _Predicate& __pred) : __pred_(__pred) {}
|
|
|
|
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const typename _Predicate::first_argument_type& __x,
|
|
const typename _Predicate::second_argument_type& __y) const
|
|
{return !__pred_(__x, __y);}
|
|
};
|
|
|
|
template <class _Predicate>
|
|
inline _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
|
|
binary_negate<_Predicate>
|
|
not2(const _Predicate& __pred) {return binary_negate<_Predicate>(__pred);}
|
|
|
|
template <class __Operation>
|
|
class _LIBCPP_TYPE_VIS_ONLY binder1st
|
|
: public unary_function<typename __Operation::second_argument_type,
|
|
typename __Operation::result_type>
|
|
{
|
|
protected:
|
|
__Operation op;
|
|
typename __Operation::first_argument_type value;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY binder1st(const __Operation& __x,
|
|
const typename __Operation::first_argument_type __y)
|
|
: op(__x), value(__y) {}
|
|
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
|
|
(typename __Operation::second_argument_type& __x) const
|
|
{return op(value, __x);}
|
|
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
|
|
(const typename __Operation::second_argument_type& __x) const
|
|
{return op(value, __x);}
|
|
};
|
|
|
|
template <class __Operation, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
binder1st<__Operation>
|
|
bind1st(const __Operation& __op, const _Tp& __x)
|
|
{return binder1st<__Operation>(__op, __x);}
|
|
|
|
template <class __Operation>
|
|
class _LIBCPP_TYPE_VIS_ONLY binder2nd
|
|
: public unary_function<typename __Operation::first_argument_type,
|
|
typename __Operation::result_type>
|
|
{
|
|
protected:
|
|
__Operation op;
|
|
typename __Operation::second_argument_type value;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
binder2nd(const __Operation& __x, const typename __Operation::second_argument_type __y)
|
|
: op(__x), value(__y) {}
|
|
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
|
|
( typename __Operation::first_argument_type& __x) const
|
|
{return op(__x, value);}
|
|
_LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator()
|
|
(const typename __Operation::first_argument_type& __x) const
|
|
{return op(__x, value);}
|
|
};
|
|
|
|
template <class __Operation, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
binder2nd<__Operation>
|
|
bind2nd(const __Operation& __op, const _Tp& __x)
|
|
{return binder2nd<__Operation>(__op, __x);}
|
|
|
|
template <class _Arg, class _Result>
|
|
class _LIBCPP_TYPE_VIS_ONLY pointer_to_unary_function
|
|
: public unary_function<_Arg, _Result>
|
|
{
|
|
_Result (*__f_)(_Arg);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit pointer_to_unary_function(_Result (*__f)(_Arg))
|
|
: __f_(__f) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg __x) const
|
|
{return __f_(__x);}
|
|
};
|
|
|
|
template <class _Arg, class _Result>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
pointer_to_unary_function<_Arg,_Result>
|
|
ptr_fun(_Result (*__f)(_Arg))
|
|
{return pointer_to_unary_function<_Arg,_Result>(__f);}
|
|
|
|
template <class _Arg1, class _Arg2, class _Result>
|
|
class _LIBCPP_TYPE_VIS_ONLY pointer_to_binary_function
|
|
: public binary_function<_Arg1, _Arg2, _Result>
|
|
{
|
|
_Result (*__f_)(_Arg1, _Arg2);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2))
|
|
: __f_(__f) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg1 __x, _Arg2 __y) const
|
|
{return __f_(__x, __y);}
|
|
};
|
|
|
|
template <class _Arg1, class _Arg2, class _Result>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
pointer_to_binary_function<_Arg1,_Arg2,_Result>
|
|
ptr_fun(_Result (*__f)(_Arg1,_Arg2))
|
|
{return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);}
|
|
|
|
template<class _Sp, class _Tp>
|
|
class _LIBCPP_TYPE_VIS_ONLY mem_fun_t : public unary_function<_Tp*, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)();
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit mem_fun_t(_Sp (_Tp::*__p)())
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p) const
|
|
{return (__p->*__p_)();}
|
|
};
|
|
|
|
template<class _Sp, class _Tp, class _Ap>
|
|
class _LIBCPP_TYPE_VIS_ONLY mem_fun1_t : public binary_function<_Tp*, _Ap, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)(_Ap);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit mem_fun1_t(_Sp (_Tp::*__p)(_Ap))
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p, _Ap __x) const
|
|
{return (__p->*__p_)(__x);}
|
|
};
|
|
|
|
template<class _Sp, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
mem_fun_t<_Sp,_Tp>
|
|
mem_fun(_Sp (_Tp::*__f)())
|
|
{return mem_fun_t<_Sp,_Tp>(__f);}
|
|
|
|
template<class _Sp, class _Tp, class _Ap>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
mem_fun1_t<_Sp,_Tp,_Ap>
|
|
mem_fun(_Sp (_Tp::*__f)(_Ap))
|
|
{return mem_fun1_t<_Sp,_Tp,_Ap>(__f);}
|
|
|
|
template<class _Sp, class _Tp>
|
|
class _LIBCPP_TYPE_VIS_ONLY mem_fun_ref_t : public unary_function<_Tp, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)();
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit mem_fun_ref_t(_Sp (_Tp::*__p)())
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p) const
|
|
{return (__p.*__p_)();}
|
|
};
|
|
|
|
template<class _Sp, class _Tp, class _Ap>
|
|
class _LIBCPP_TYPE_VIS_ONLY mem_fun1_ref_t : public binary_function<_Tp, _Ap, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)(_Ap);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap))
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p, _Ap __x) const
|
|
{return (__p.*__p_)(__x);}
|
|
};
|
|
|
|
template<class _Sp, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
mem_fun_ref_t<_Sp,_Tp>
|
|
mem_fun_ref(_Sp (_Tp::*__f)())
|
|
{return mem_fun_ref_t<_Sp,_Tp>(__f);}
|
|
|
|
template<class _Sp, class _Tp, class _Ap>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
mem_fun1_ref_t<_Sp,_Tp,_Ap>
|
|
mem_fun_ref(_Sp (_Tp::*__f)(_Ap))
|
|
{return mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);}
|
|
|
|
template <class _Sp, class _Tp>
|
|
class _LIBCPP_TYPE_VIS_ONLY const_mem_fun_t : public unary_function<const _Tp*, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)() const;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_t(_Sp (_Tp::*__p)() const)
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p) const
|
|
{return (__p->*__p_)();}
|
|
};
|
|
|
|
template <class _Sp, class _Tp, class _Ap>
|
|
class _LIBCPP_TYPE_VIS_ONLY const_mem_fun1_t : public binary_function<const _Tp*, _Ap, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)(_Ap) const;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_t(_Sp (_Tp::*__p)(_Ap) const)
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p, _Ap __x) const
|
|
{return (__p->*__p_)(__x);}
|
|
};
|
|
|
|
template <class _Sp, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
const_mem_fun_t<_Sp,_Tp>
|
|
mem_fun(_Sp (_Tp::*__f)() const)
|
|
{return const_mem_fun_t<_Sp,_Tp>(__f);}
|
|
|
|
template <class _Sp, class _Tp, class _Ap>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
const_mem_fun1_t<_Sp,_Tp,_Ap>
|
|
mem_fun(_Sp (_Tp::*__f)(_Ap) const)
|
|
{return const_mem_fun1_t<_Sp,_Tp,_Ap>(__f);}
|
|
|
|
template <class _Sp, class _Tp>
|
|
class _LIBCPP_TYPE_VIS_ONLY const_mem_fun_ref_t : public unary_function<_Tp, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)() const;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_ref_t(_Sp (_Tp::*__p)() const)
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p) const
|
|
{return (__p.*__p_)();}
|
|
};
|
|
|
|
template <class _Sp, class _Tp, class _Ap>
|
|
class _LIBCPP_TYPE_VIS_ONLY const_mem_fun1_ref_t
|
|
: public binary_function<_Tp, _Ap, _Sp>
|
|
{
|
|
_Sp (_Tp::*__p_)(_Ap) const;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap) const)
|
|
: __p_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p, _Ap __x) const
|
|
{return (__p.*__p_)(__x);}
|
|
};
|
|
|
|
template <class _Sp, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
const_mem_fun_ref_t<_Sp,_Tp>
|
|
mem_fun_ref(_Sp (_Tp::*__f)() const)
|
|
{return const_mem_fun_ref_t<_Sp,_Tp>(__f);}
|
|
|
|
template <class _Sp, class _Tp, class _Ap>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
const_mem_fun1_ref_t<_Sp,_Tp,_Ap>
|
|
mem_fun_ref(_Sp (_Tp::*__f)(_Ap) const)
|
|
{return const_mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);}
|
|
|
|
#ifdef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
#include <__functional_03>
|
|
|
|
#else // _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Tp>
|
|
class __mem_fn
|
|
: public __weak_result_type<_Tp>
|
|
{
|
|
public:
|
|
// types
|
|
typedef _Tp type;
|
|
private:
|
|
type __f_;
|
|
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY __mem_fn(type __f) : __f_(__f) {}
|
|
|
|
// invoke
|
|
template <class... _ArgTypes>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
typename __invoke_return<type, _ArgTypes...>::type
|
|
operator() (_ArgTypes&&... __args) const
|
|
{
|
|
return __invoke(__f_, _VSTD::forward<_ArgTypes>(__args)...);
|
|
}
|
|
};
|
|
|
|
template<class _Rp, class _Tp>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
__mem_fn<_Rp _Tp::*>
|
|
mem_fn(_Rp _Tp::* __pm)
|
|
{
|
|
return __mem_fn<_Rp _Tp::*>(__pm);
|
|
}
|
|
|
|
// bad_function_call
|
|
|
|
class _LIBCPP_EXCEPTION_ABI bad_function_call
|
|
: public exception
|
|
{
|
|
};
|
|
|
|
template<class _Fp> class _LIBCPP_TYPE_VIS_ONLY function; // undefined
|
|
|
|
namespace __function
|
|
{
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
struct __maybe_derive_from_unary_function
|
|
{
|
|
};
|
|
|
|
template<class _Rp, class _A1>
|
|
struct __maybe_derive_from_unary_function<_Rp(_A1)>
|
|
: public unary_function<_A1, _Rp>
|
|
{
|
|
};
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
struct __maybe_derive_from_binary_function
|
|
{
|
|
};
|
|
|
|
template<class _Rp, class _A1, class _A2>
|
|
struct __maybe_derive_from_binary_function<_Rp(_A1, _A2)>
|
|
: public binary_function<_A1, _A2, _Rp>
|
|
{
|
|
};
|
|
|
|
template<class _Fp> class __base;
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
class __base<_Rp(_ArgTypes...)>
|
|
{
|
|
__base(const __base&);
|
|
__base& operator=(const __base&);
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY __base() {}
|
|
_LIBCPP_INLINE_VISIBILITY virtual ~__base() {}
|
|
virtual __base* __clone() const = 0;
|
|
virtual void __clone(__base*) const = 0;
|
|
virtual void destroy() _NOEXCEPT = 0;
|
|
virtual void destroy_deallocate() _NOEXCEPT = 0;
|
|
virtual _Rp operator()(_ArgTypes&& ...) = 0;
|
|
#ifndef _LIBCPP_NO_RTTI
|
|
virtual const void* target(const type_info&) const _NOEXCEPT = 0;
|
|
virtual const std::type_info& target_type() const _NOEXCEPT = 0;
|
|
#endif // _LIBCPP_NO_RTTI
|
|
};
|
|
|
|
template<class _FD, class _Alloc, class _FB> class __func;
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
class __func<_Fp, _Alloc, _Rp(_ArgTypes...)>
|
|
: public __base<_Rp(_ArgTypes...)>
|
|
{
|
|
__compressed_pair<_Fp, _Alloc> __f_;
|
|
public:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __func(_Fp&& __f)
|
|
: __f_(piecewise_construct, _VSTD::forward_as_tuple(_VSTD::move(__f)),
|
|
_VSTD::forward_as_tuple()) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __func(const _Fp& __f, const _Alloc& __a)
|
|
: __f_(piecewise_construct, _VSTD::forward_as_tuple(__f),
|
|
_VSTD::forward_as_tuple(__a)) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __func(const _Fp& __f, _Alloc&& __a)
|
|
: __f_(piecewise_construct, _VSTD::forward_as_tuple(__f),
|
|
_VSTD::forward_as_tuple(_VSTD::move(__a))) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __func(_Fp&& __f, _Alloc&& __a)
|
|
: __f_(piecewise_construct, _VSTD::forward_as_tuple(_VSTD::move(__f)),
|
|
_VSTD::forward_as_tuple(_VSTD::move(__a))) {}
|
|
virtual __base<_Rp(_ArgTypes...)>* __clone() const;
|
|
virtual void __clone(__base<_Rp(_ArgTypes...)>*) const;
|
|
virtual void destroy() _NOEXCEPT;
|
|
virtual void destroy_deallocate() _NOEXCEPT;
|
|
virtual _Rp operator()(_ArgTypes&& ... __arg);
|
|
#ifndef _LIBCPP_NO_RTTI
|
|
virtual const void* target(const type_info&) const _NOEXCEPT;
|
|
virtual const std::type_info& target_type() const _NOEXCEPT;
|
|
#endif // _LIBCPP_NO_RTTI
|
|
};
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
__base<_Rp(_ArgTypes...)>*
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::__clone() const
|
|
{
|
|
typedef allocator_traits<_Alloc> __alloc_traits;
|
|
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap;
|
|
_Ap __a(__f_.second());
|
|
typedef __allocator_destructor<_Ap> _Dp;
|
|
unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1));
|
|
::new (__hold.get()) __func(__f_.first(), _Alloc(__a));
|
|
return __hold.release();
|
|
}
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
void
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::__clone(__base<_Rp(_ArgTypes...)>* __p) const
|
|
{
|
|
::new (__p) __func(__f_.first(), __f_.second());
|
|
}
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
void
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::destroy() _NOEXCEPT
|
|
{
|
|
__f_.~__compressed_pair<_Fp, _Alloc>();
|
|
}
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
void
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::destroy_deallocate() _NOEXCEPT
|
|
{
|
|
typedef allocator_traits<_Alloc> __alloc_traits;
|
|
typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap;
|
|
_Ap __a(__f_.second());
|
|
__f_.~__compressed_pair<_Fp, _Alloc>();
|
|
__a.deallocate(this, 1);
|
|
}
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
_Rp
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg)
|
|
{
|
|
typedef __invoke_void_return_wrapper<_Rp> _Invoker;
|
|
return _Invoker::__call(__f_.first(), _VSTD::forward<_ArgTypes>(__arg)...);
|
|
}
|
|
|
|
#ifndef _LIBCPP_NO_RTTI
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
const void*
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::target(const type_info& __ti) const _NOEXCEPT
|
|
{
|
|
if (__ti == typeid(_Fp))
|
|
return &__f_.first();
|
|
return (const void*)0;
|
|
}
|
|
|
|
template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes>
|
|
const std::type_info&
|
|
__func<_Fp, _Alloc, _Rp(_ArgTypes...)>::target_type() const _NOEXCEPT
|
|
{
|
|
return typeid(_Fp);
|
|
}
|
|
|
|
#endif // _LIBCPP_NO_RTTI
|
|
|
|
} // __function
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_ArgTypes...)>
|
|
: public __function::__maybe_derive_from_unary_function<_Rp(_ArgTypes...)>,
|
|
public __function::__maybe_derive_from_binary_function<_Rp(_ArgTypes...)>
|
|
{
|
|
typedef __function::__base<_Rp(_ArgTypes...)> __base;
|
|
typename aligned_storage<3*sizeof(void*)>::type __buf_;
|
|
__base* __f_;
|
|
|
|
template <class _Fp>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(const _Fp&) {return true;}
|
|
template <class _R2, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(_R2 (*__p)(_Ap...)) {return __p;}
|
|
template <class _R2, class _Cp, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(_R2 (_Cp::*__p)(_Ap...)) {return __p;}
|
|
template <class _R2, class _Cp, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(_R2 (_Cp::*__p)(_Ap...) const) {return __p;}
|
|
template <class _R2, class _Cp, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(_R2 (_Cp::*__p)(_Ap...) volatile) {return __p;}
|
|
template <class _R2, class _Cp, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(_R2 (_Cp::*__p)(_Ap...) const volatile) {return __p;}
|
|
template <class _R2, class ..._Ap>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static bool __not_null(const function<_R2(_Ap...)>& __p) {return !!__p;}
|
|
|
|
template <class _Fp, bool = !is_same<_Fp, function>::value &&
|
|
__invokable<_Fp&, _ArgTypes...>::value>
|
|
struct __callable;
|
|
template <class _Fp>
|
|
struct __callable<_Fp, true>
|
|
{
|
|
static const bool value = is_same<void, _Rp>::value ||
|
|
is_convertible<typename __invoke_of<_Fp&, _ArgTypes...>::type,
|
|
_Rp>::value;
|
|
};
|
|
template <class _Fp>
|
|
struct __callable<_Fp, false>
|
|
{
|
|
static const bool value = false;
|
|
};
|
|
public:
|
|
typedef _Rp result_type;
|
|
|
|
// construct/copy/destroy:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
function() _NOEXCEPT : __f_(0) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
function(nullptr_t) _NOEXCEPT : __f_(0) {}
|
|
function(const function&);
|
|
function(function&&) _NOEXCEPT;
|
|
template<class _Fp>
|
|
function(_Fp, typename enable_if
|
|
<
|
|
__callable<_Fp>::value &&
|
|
!is_same<_Fp, function>::value
|
|
>::type* = 0);
|
|
|
|
template<class _Alloc>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
function(allocator_arg_t, const _Alloc&) _NOEXCEPT : __f_(0) {}
|
|
template<class _Alloc>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
function(allocator_arg_t, const _Alloc&, nullptr_t) _NOEXCEPT : __f_(0) {}
|
|
template<class _Alloc>
|
|
function(allocator_arg_t, const _Alloc&, const function&);
|
|
template<class _Alloc>
|
|
function(allocator_arg_t, const _Alloc&, function&&);
|
|
template<class _Fp, class _Alloc>
|
|
function(allocator_arg_t, const _Alloc& __a, _Fp __f,
|
|
typename enable_if<__callable<_Fp>::value>::type* = 0);
|
|
|
|
function& operator=(const function&);
|
|
function& operator=(function&&) _NOEXCEPT;
|
|
function& operator=(nullptr_t) _NOEXCEPT;
|
|
template<class _Fp>
|
|
typename enable_if
|
|
<
|
|
__callable<typename decay<_Fp>::type>::value &&
|
|
!is_same<typename remove_reference<_Fp>::type, function>::value,
|
|
function&
|
|
>::type
|
|
operator=(_Fp&&);
|
|
|
|
~function();
|
|
|
|
// function modifiers:
|
|
void swap(function&) _NOEXCEPT;
|
|
template<class _Fp, class _Alloc>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void assign(_Fp&& __f, const _Alloc& __a)
|
|
{function(allocator_arg, __a, _VSTD::forward<_Fp>(__f)).swap(*this);}
|
|
|
|
// function capacity:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
_LIBCPP_EXPLICIT operator bool() const _NOEXCEPT {return __f_;}
|
|
|
|
// deleted overloads close possible hole in the type system
|
|
template<class _R2, class... _ArgTypes2>
|
|
bool operator==(const function<_R2(_ArgTypes2...)>&) const = delete;
|
|
template<class _R2, class... _ArgTypes2>
|
|
bool operator!=(const function<_R2(_ArgTypes2...)>&) const = delete;
|
|
public:
|
|
// function invocation:
|
|
_Rp operator()(_ArgTypes...) const;
|
|
|
|
#ifndef _LIBCPP_NO_RTTI
|
|
// function target access:
|
|
const std::type_info& target_type() const _NOEXCEPT;
|
|
template <typename _Tp> _Tp* target() _NOEXCEPT;
|
|
template <typename _Tp> const _Tp* target() const _NOEXCEPT;
|
|
#endif // _LIBCPP_NO_RTTI
|
|
};
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>::function(const function& __f)
|
|
{
|
|
if (__f.__f_ == 0)
|
|
__f_ = 0;
|
|
else if (__f.__f_ == (const __base*)&__f.__buf_)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
__f.__f_->__clone(__f_);
|
|
}
|
|
else
|
|
__f_ = __f.__f_->__clone();
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <class _Alloc>
|
|
function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&,
|
|
const function& __f)
|
|
{
|
|
if (__f.__f_ == 0)
|
|
__f_ = 0;
|
|
else if (__f.__f_ == (const __base*)&__f.__buf_)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
__f.__f_->__clone(__f_);
|
|
}
|
|
else
|
|
__f_ = __f.__f_->__clone();
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>::function(function&& __f) _NOEXCEPT
|
|
{
|
|
if (__f.__f_ == 0)
|
|
__f_ = 0;
|
|
else if (__f.__f_ == (__base*)&__f.__buf_)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
__f.__f_->__clone(__f_);
|
|
}
|
|
else
|
|
{
|
|
__f_ = __f.__f_;
|
|
__f.__f_ = 0;
|
|
}
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <class _Alloc>
|
|
function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&,
|
|
function&& __f)
|
|
{
|
|
if (__f.__f_ == 0)
|
|
__f_ = 0;
|
|
else if (__f.__f_ == (__base*)&__f.__buf_)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
__f.__f_->__clone(__f_);
|
|
}
|
|
else
|
|
{
|
|
__f_ = __f.__f_;
|
|
__f.__f_ = 0;
|
|
}
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <class _Fp>
|
|
function<_Rp(_ArgTypes...)>::function(_Fp __f,
|
|
typename enable_if
|
|
<
|
|
__callable<_Fp>::value &&
|
|
!is_same<_Fp, function>::value
|
|
>::type*)
|
|
: __f_(0)
|
|
{
|
|
if (__not_null(__f))
|
|
{
|
|
typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_ArgTypes...)> _FF;
|
|
if (sizeof(_FF) <= sizeof(__buf_) && is_nothrow_copy_constructible<_Fp>::value)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
::new (__f_) _FF(_VSTD::move(__f));
|
|
}
|
|
else
|
|
{
|
|
typedef allocator<_FF> _Ap;
|
|
_Ap __a;
|
|
typedef __allocator_destructor<_Ap> _Dp;
|
|
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1));
|
|
::new (__hold.get()) _FF(_VSTD::move(__f), allocator<_Fp>(__a));
|
|
__f_ = __hold.release();
|
|
}
|
|
}
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <class _Fp, class _Alloc>
|
|
function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f,
|
|
typename enable_if<__callable<_Fp>::value>::type*)
|
|
: __f_(0)
|
|
{
|
|
typedef allocator_traits<_Alloc> __alloc_traits;
|
|
if (__not_null(__f))
|
|
{
|
|
typedef __function::__func<_Fp, _Alloc, _Rp(_ArgTypes...)> _FF;
|
|
typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap;
|
|
_Ap __a(__a0);
|
|
if (sizeof(_FF) <= sizeof(__buf_) &&
|
|
is_nothrow_copy_constructible<_Fp>::value && is_nothrow_copy_constructible<_Ap>::value)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
::new (__f_) _FF(_VSTD::move(__f), _Alloc(__a));
|
|
}
|
|
else
|
|
{
|
|
typedef __allocator_destructor<_Ap> _Dp;
|
|
unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1));
|
|
::new (__hold.get()) _FF(_VSTD::move(__f), _Alloc(__a));
|
|
__f_ = __hold.release();
|
|
}
|
|
}
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>&
|
|
function<_Rp(_ArgTypes...)>::operator=(const function& __f)
|
|
{
|
|
function(__f).swap(*this);
|
|
return *this;
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>&
|
|
function<_Rp(_ArgTypes...)>::operator=(function&& __f) _NOEXCEPT
|
|
{
|
|
if (__f_ == (__base*)&__buf_)
|
|
__f_->destroy();
|
|
else if (__f_)
|
|
__f_->destroy_deallocate();
|
|
__f_ = 0;
|
|
if (__f.__f_ == 0)
|
|
__f_ = 0;
|
|
else if (__f.__f_ == (__base*)&__f.__buf_)
|
|
{
|
|
__f_ = (__base*)&__buf_;
|
|
__f.__f_->__clone(__f_);
|
|
}
|
|
else
|
|
{
|
|
__f_ = __f.__f_;
|
|
__f.__f_ = 0;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>&
|
|
function<_Rp(_ArgTypes...)>::operator=(nullptr_t) _NOEXCEPT
|
|
{
|
|
if (__f_ == (__base*)&__buf_)
|
|
__f_->destroy();
|
|
else if (__f_)
|
|
__f_->destroy_deallocate();
|
|
__f_ = 0;
|
|
return *this;
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <class _Fp>
|
|
typename enable_if
|
|
<
|
|
function<_Rp(_ArgTypes...)>::template __callable<typename decay<_Fp>::type>::value &&
|
|
!is_same<typename remove_reference<_Fp>::type, function<_Rp(_ArgTypes...)>>::value,
|
|
function<_Rp(_ArgTypes...)>&
|
|
>::type
|
|
function<_Rp(_ArgTypes...)>::operator=(_Fp&& __f)
|
|
{
|
|
function(_VSTD::forward<_Fp>(__f)).swap(*this);
|
|
return *this;
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
function<_Rp(_ArgTypes...)>::~function()
|
|
{
|
|
if (__f_ == (__base*)&__buf_)
|
|
__f_->destroy();
|
|
else if (__f_)
|
|
__f_->destroy_deallocate();
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
void
|
|
function<_Rp(_ArgTypes...)>::swap(function& __f) _NOEXCEPT
|
|
{
|
|
if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_)
|
|
{
|
|
typename aligned_storage<sizeof(__buf_)>::type __tempbuf;
|
|
__base* __t = (__base*)&__tempbuf;
|
|
__f_->__clone(__t);
|
|
__f_->destroy();
|
|
__f_ = 0;
|
|
__f.__f_->__clone((__base*)&__buf_);
|
|
__f.__f_->destroy();
|
|
__f.__f_ = 0;
|
|
__f_ = (__base*)&__buf_;
|
|
__t->__clone((__base*)&__f.__buf_);
|
|
__t->destroy();
|
|
__f.__f_ = (__base*)&__f.__buf_;
|
|
}
|
|
else if (__f_ == (__base*)&__buf_)
|
|
{
|
|
__f_->__clone((__base*)&__f.__buf_);
|
|
__f_->destroy();
|
|
__f_ = __f.__f_;
|
|
__f.__f_ = (__base*)&__f.__buf_;
|
|
}
|
|
else if (__f.__f_ == (__base*)&__f.__buf_)
|
|
{
|
|
__f.__f_->__clone((__base*)&__buf_);
|
|
__f.__f_->destroy();
|
|
__f.__f_ = __f_;
|
|
__f_ = (__base*)&__buf_;
|
|
}
|
|
else
|
|
_VSTD::swap(__f_, __f.__f_);
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
_Rp
|
|
function<_Rp(_ArgTypes...)>::operator()(_ArgTypes... __arg) const
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__f_ == 0)
|
|
throw bad_function_call();
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
return (*__f_)(_VSTD::forward<_ArgTypes>(__arg)...);
|
|
}
|
|
|
|
#ifndef _LIBCPP_NO_RTTI
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
const std::type_info&
|
|
function<_Rp(_ArgTypes...)>::target_type() const _NOEXCEPT
|
|
{
|
|
if (__f_ == 0)
|
|
return typeid(void);
|
|
return __f_->target_type();
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <typename _Tp>
|
|
_Tp*
|
|
function<_Rp(_ArgTypes...)>::target() _NOEXCEPT
|
|
{
|
|
if (__f_ == 0)
|
|
return (_Tp*)0;
|
|
return (_Tp*)__f_->target(typeid(_Tp));
|
|
}
|
|
|
|
template<class _Rp, class ..._ArgTypes>
|
|
template <typename _Tp>
|
|
const _Tp*
|
|
function<_Rp(_ArgTypes...)>::target() const _NOEXCEPT
|
|
{
|
|
if (__f_ == 0)
|
|
return (const _Tp*)0;
|
|
return (const _Tp*)__f_->target(typeid(_Tp));
|
|
}
|
|
|
|
#endif // _LIBCPP_NO_RTTI
|
|
|
|
template <class _Rp, class... _ArgTypes>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const function<_Rp(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return !__f;}
|
|
|
|
template <class _Rp, class... _ArgTypes>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(nullptr_t, const function<_Rp(_ArgTypes...)>& __f) _NOEXCEPT {return !__f;}
|
|
|
|
template <class _Rp, class... _ArgTypes>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const function<_Rp(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return (bool)__f;}
|
|
|
|
template <class _Rp, class... _ArgTypes>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(nullptr_t, const function<_Rp(_ArgTypes...)>& __f) _NOEXCEPT {return (bool)__f;}
|
|
|
|
template <class _Rp, class... _ArgTypes>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(function<_Rp(_ArgTypes...)>& __x, function<_Rp(_ArgTypes...)>& __y) _NOEXCEPT
|
|
{return __x.swap(__y);}
|
|
|
|
template<class _Tp> struct __is_bind_expression : public false_type {};
|
|
template<class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_bind_expression
|
|
: public __is_bind_expression<typename remove_cv<_Tp>::type> {};
|
|
|
|
template<class _Tp> struct __is_placeholder : public integral_constant<int, 0> {};
|
|
template<class _Tp> struct _LIBCPP_TYPE_VIS_ONLY is_placeholder
|
|
: public __is_placeholder<typename remove_cv<_Tp>::type> {};
|
|
|
|
namespace placeholders
|
|
{
|
|
|
|
template <int _Np> struct __ph {};
|
|
|
|
_LIBCPP_FUNC_VIS extern __ph<1> _1;
|
|
_LIBCPP_FUNC_VIS extern __ph<2> _2;
|
|
_LIBCPP_FUNC_VIS extern __ph<3> _3;
|
|
_LIBCPP_FUNC_VIS extern __ph<4> _4;
|
|
_LIBCPP_FUNC_VIS extern __ph<5> _5;
|
|
_LIBCPP_FUNC_VIS extern __ph<6> _6;
|
|
_LIBCPP_FUNC_VIS extern __ph<7> _7;
|
|
_LIBCPP_FUNC_VIS extern __ph<8> _8;
|
|
_LIBCPP_FUNC_VIS extern __ph<9> _9;
|
|
_LIBCPP_FUNC_VIS extern __ph<10> _10;
|
|
|
|
} // placeholders
|
|
|
|
template<int _Np>
|
|
struct __is_placeholder<placeholders::__ph<_Np> >
|
|
: public integral_constant<int, _Np> {};
|
|
|
|
template <class _Tp, class _Uj>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_Tp&
|
|
__mu(reference_wrapper<_Tp> __t, _Uj&)
|
|
{
|
|
return __t.get();
|
|
}
|
|
|
|
template <class _Ti, class ..._Uj, size_t ..._Indx>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename __invoke_of<_Ti&, _Uj...>::type
|
|
__mu_expand(_Ti& __ti, tuple<_Uj...>& __uj, __tuple_indices<_Indx...>)
|
|
{
|
|
return __ti(_VSTD::forward<_Uj>(_VSTD::get<_Indx>(__uj))...);
|
|
}
|
|
|
|
template <class _Ti, class ..._Uj>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename __lazy_enable_if
|
|
<
|
|
is_bind_expression<_Ti>::value,
|
|
__invoke_of<_Ti&, _Uj...>
|
|
>::type
|
|
__mu(_Ti& __ti, tuple<_Uj...>& __uj)
|
|
{
|
|
typedef typename __make_tuple_indices<sizeof...(_Uj)>::type __indices;
|
|
return __mu_expand(__ti, __uj, __indices());
|
|
}
|
|
|
|
template <bool IsPh, class _Ti, class _Uj>
|
|
struct __mu_return2 {};
|
|
|
|
template <class _Ti, class _Uj>
|
|
struct __mu_return2<true, _Ti, _Uj>
|
|
{
|
|
typedef typename tuple_element<is_placeholder<_Ti>::value - 1, _Uj>::type type;
|
|
};
|
|
|
|
template <class _Ti, class _Uj>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
|
|
<
|
|
0 < is_placeholder<_Ti>::value,
|
|
typename __mu_return2<0 < is_placeholder<_Ti>::value, _Ti, _Uj>::type
|
|
>::type
|
|
__mu(_Ti&, _Uj& __uj)
|
|
{
|
|
const size_t _Indx = is_placeholder<_Ti>::value - 1;
|
|
return _VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(_VSTD::get<_Indx>(__uj));
|
|
}
|
|
|
|
template <class _Ti, class _Uj>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
|
|
<
|
|
!is_bind_expression<_Ti>::value &&
|
|
is_placeholder<_Ti>::value == 0 &&
|
|
!__is_reference_wrapper<_Ti>::value,
|
|
_Ti&
|
|
>::type
|
|
__mu(_Ti& __ti, _Uj&)
|
|
{
|
|
return __ti;
|
|
}
|
|
|
|
template <class _Ti, bool IsReferenceWrapper, bool IsBindEx, bool IsPh,
|
|
class _TupleUj>
|
|
struct ____mu_return;
|
|
|
|
template <bool _Invokable, class _Ti, class ..._Uj>
|
|
struct ____mu_return_invokable // false
|
|
{
|
|
typedef __nat type;
|
|
};
|
|
|
|
template <class _Ti, class ..._Uj>
|
|
struct ____mu_return_invokable<true, _Ti, _Uj...>
|
|
{
|
|
typedef typename __invoke_of<_Ti&, _Uj...>::type type;
|
|
};
|
|
|
|
template <class _Ti, class ..._Uj>
|
|
struct ____mu_return<_Ti, false, true, false, tuple<_Uj...> >
|
|
: public ____mu_return_invokable<__invokable<_Ti&, _Uj...>::value, _Ti, _Uj...>
|
|
{
|
|
};
|
|
|
|
template <class _Ti, class _TupleUj>
|
|
struct ____mu_return<_Ti, false, false, true, _TupleUj>
|
|
{
|
|
typedef typename tuple_element<is_placeholder<_Ti>::value - 1,
|
|
_TupleUj>::type&& type;
|
|
};
|
|
|
|
template <class _Ti, class _TupleUj>
|
|
struct ____mu_return<_Ti, true, false, false, _TupleUj>
|
|
{
|
|
typedef typename _Ti::type& type;
|
|
};
|
|
|
|
template <class _Ti, class _TupleUj>
|
|
struct ____mu_return<_Ti, false, false, false, _TupleUj>
|
|
{
|
|
typedef _Ti& type;
|
|
};
|
|
|
|
template <class _Ti, class _TupleUj>
|
|
struct __mu_return
|
|
: public ____mu_return<_Ti,
|
|
__is_reference_wrapper<_Ti>::value,
|
|
is_bind_expression<_Ti>::value,
|
|
0 < is_placeholder<_Ti>::value &&
|
|
is_placeholder<_Ti>::value <= tuple_size<_TupleUj>::value,
|
|
_TupleUj>
|
|
{
|
|
};
|
|
|
|
template <class _Fp, class _BoundArgs, class _TupleUj>
|
|
struct __is_valid_bind_return
|
|
{
|
|
static const bool value = false;
|
|
};
|
|
|
|
template <class _Fp, class ..._BoundArgs, class _TupleUj>
|
|
struct __is_valid_bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj>
|
|
{
|
|
static const bool value = __invokable<_Fp,
|
|
typename __mu_return<_BoundArgs, _TupleUj>::type...>::value;
|
|
};
|
|
|
|
template <class _Fp, class ..._BoundArgs, class _TupleUj>
|
|
struct __is_valid_bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj>
|
|
{
|
|
static const bool value = __invokable<_Fp,
|
|
typename __mu_return<const _BoundArgs, _TupleUj>::type...>::value;
|
|
};
|
|
|
|
template <class _Fp, class _BoundArgs, class _TupleUj,
|
|
bool = __is_valid_bind_return<_Fp, _BoundArgs, _TupleUj>::value>
|
|
struct __bind_return;
|
|
|
|
template <class _Fp, class ..._BoundArgs, class _TupleUj>
|
|
struct __bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj, true>
|
|
{
|
|
typedef typename __invoke_of
|
|
<
|
|
_Fp&,
|
|
typename __mu_return
|
|
<
|
|
_BoundArgs,
|
|
_TupleUj
|
|
>::type...
|
|
>::type type;
|
|
};
|
|
|
|
template <class _Fp, class ..._BoundArgs, class _TupleUj>
|
|
struct __bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj, true>
|
|
{
|
|
typedef typename __invoke_of
|
|
<
|
|
_Fp&,
|
|
typename __mu_return
|
|
<
|
|
const _BoundArgs,
|
|
_TupleUj
|
|
>::type...
|
|
>::type type;
|
|
};
|
|
|
|
template <class _Fp, class _BoundArgs, size_t ..._Indx, class _Args>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename __bind_return<_Fp, _BoundArgs, _Args>::type
|
|
__apply_functor(_Fp& __f, _BoundArgs& __bound_args, __tuple_indices<_Indx...>,
|
|
_Args&& __args)
|
|
{
|
|
return __invoke(__f, __mu(_VSTD::get<_Indx>(__bound_args), __args)...);
|
|
}
|
|
|
|
template<class _Fp, class ..._BoundArgs>
|
|
class __bind
|
|
: public __weak_result_type<typename decay<_Fp>::type>
|
|
{
|
|
protected:
|
|
typedef typename decay<_Fp>::type _Fd;
|
|
typedef tuple<typename decay<_BoundArgs>::type...> _Td;
|
|
private:
|
|
_Fd __f_;
|
|
_Td __bound_args_;
|
|
|
|
typedef typename __make_tuple_indices<sizeof...(_BoundArgs)>::type __indices;
|
|
public:
|
|
#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind(const __bind& __b)
|
|
: __f_(__b.__f_),
|
|
__bound_args_(__b.__bound_args_) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind& operator=(const __bind& __b)
|
|
{
|
|
__f_ = __b.__f_;
|
|
__bound_args_ = __b.__bound_args_;
|
|
return *this;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind(__bind&& __b)
|
|
: __f_(_VSTD::move(__b.__f_)),
|
|
__bound_args_(_VSTD::move(__b.__bound_args_)) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind& operator=(__bind&& __b)
|
|
{
|
|
__f_ = _VSTD::move(__b.__f_);
|
|
__bound_args_ = _VSTD::move(__b.__bound_args_);
|
|
return *this;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
|
|
|
|
template <class _Gp, class ..._BA,
|
|
class = typename enable_if
|
|
<
|
|
is_constructible<_Fd, _Gp>::value &&
|
|
!is_same<typename remove_reference<_Gp>::type,
|
|
__bind>::value
|
|
>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __bind(_Gp&& __f, _BA&& ...__bound_args)
|
|
: __f_(_VSTD::forward<_Gp>(__f)),
|
|
__bound_args_(_VSTD::forward<_BA>(__bound_args)...) {}
|
|
|
|
template <class ..._Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type
|
|
operator()(_Args&& ...__args)
|
|
{
|
|
return __apply_functor(__f_, __bound_args_, __indices(),
|
|
tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
|
|
}
|
|
|
|
template <class ..._Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type
|
|
operator()(_Args&& ...__args) const
|
|
{
|
|
return __apply_functor(__f_, __bound_args_, __indices(),
|
|
tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
|
|
}
|
|
};
|
|
|
|
template<class _Fp, class ..._BoundArgs>
|
|
struct __is_bind_expression<__bind<_Fp, _BoundArgs...> > : public true_type {};
|
|
|
|
template<class _Rp, class _Fp, class ..._BoundArgs>
|
|
class __bind_r
|
|
: public __bind<_Fp, _BoundArgs...>
|
|
{
|
|
typedef __bind<_Fp, _BoundArgs...> base;
|
|
typedef typename base::_Fd _Fd;
|
|
typedef typename base::_Td _Td;
|
|
public:
|
|
typedef _Rp result_type;
|
|
|
|
#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind_r(const __bind_r& __b)
|
|
: base(_VSTD::forward<const base&>(__b)) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind_r& operator=(const __bind_r& __b)
|
|
{
|
|
base::operator=(_VSTD::forward<const base&>(__b));
|
|
return *this;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind_r(__bind_r&& __b)
|
|
: base(_VSTD::forward<base>(__b)) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__bind_r& operator=(__bind_r&& __b)
|
|
{
|
|
base::operator=(_VSTD::forward<base>(__b));
|
|
return *this;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
|
|
|
|
template <class _Gp, class ..._BA,
|
|
class = typename enable_if
|
|
<
|
|
is_constructible<_Fd, _Gp>::value &&
|
|
!is_same<typename remove_reference<_Gp>::type,
|
|
__bind_r>::value
|
|
>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __bind_r(_Gp&& __f, _BA&& ...__bound_args)
|
|
: base(_VSTD::forward<_Gp>(__f),
|
|
_VSTD::forward<_BA>(__bound_args)...) {}
|
|
|
|
template <class ..._Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
|
|
<
|
|
is_convertible<typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type,
|
|
result_type>::value,
|
|
result_type
|
|
>::type
|
|
operator()(_Args&& ...__args)
|
|
{
|
|
return base::operator()(_VSTD::forward<_Args>(__args)...);
|
|
}
|
|
|
|
template <class ..._Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
typename enable_if
|
|
<
|
|
is_convertible<typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type,
|
|
result_type>::value,
|
|
result_type
|
|
>::type
|
|
operator()(_Args&& ...__args) const
|
|
{
|
|
return base::operator()(_VSTD::forward<_Args>(__args)...);
|
|
}
|
|
};
|
|
|
|
template<class _Rp, class _Fp, class ..._BoundArgs>
|
|
struct __is_bind_expression<__bind_r<_Rp, _Fp, _BoundArgs...> > : public true_type {};
|
|
|
|
template<class _Fp, class ..._BoundArgs>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
__bind<_Fp, _BoundArgs...>
|
|
bind(_Fp&& __f, _BoundArgs&&... __bound_args)
|
|
{
|
|
typedef __bind<_Fp, _BoundArgs...> type;
|
|
return type(_VSTD::forward<_Fp>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
|
|
}
|
|
|
|
template<class _Rp, class _Fp, class ..._BoundArgs>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
__bind_r<_Rp, _Fp, _BoundArgs...>
|
|
bind(_Fp&& __f, _BoundArgs&&... __bound_args)
|
|
{
|
|
typedef __bind_r<_Rp, _Fp, _BoundArgs...> type;
|
|
return type(_VSTD::forward<_Fp>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<bool>
|
|
: public unary_function<bool, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(bool __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<char>
|
|
: public unary_function<char, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<signed char>
|
|
: public unary_function<signed char, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(signed char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned char>
|
|
: public unary_function<unsigned char, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(unsigned char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<char16_t>
|
|
: public unary_function<char16_t, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(char16_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<char32_t>
|
|
: public unary_function<char32_t, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(char32_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<wchar_t>
|
|
: public unary_function<wchar_t, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(wchar_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<short>
|
|
: public unary_function<short, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(short __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned short>
|
|
: public unary_function<unsigned short, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(unsigned short __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<int>
|
|
: public unary_function<int, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(int __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned int>
|
|
: public unary_function<unsigned int, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(unsigned int __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<long>
|
|
: public unary_function<long, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(long __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned long>
|
|
: public unary_function<unsigned long, size_t>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(unsigned long __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<long long>
|
|
: public __scalar_hash<long long>
|
|
{
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<unsigned long long>
|
|
: public __scalar_hash<unsigned long long>
|
|
{
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<float>
|
|
: public __scalar_hash<float>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(float __v) const _NOEXCEPT
|
|
{
|
|
// -0.0 and 0.0 should return same hash
|
|
if (__v == 0)
|
|
return 0;
|
|
return __scalar_hash<float>::operator()(__v);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<double>
|
|
: public __scalar_hash<double>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(double __v) const _NOEXCEPT
|
|
{
|
|
// -0.0 and 0.0 should return same hash
|
|
if (__v == 0)
|
|
return 0;
|
|
return __scalar_hash<double>::operator()(__v);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash<long double>
|
|
: public __scalar_hash<long double>
|
|
{
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(long double __v) const _NOEXCEPT
|
|
{
|
|
// -0.0 and 0.0 should return same hash
|
|
if (__v == 0)
|
|
return 0;
|
|
#if defined(__i386__)
|
|
// Zero out padding bits
|
|
union
|
|
{
|
|
long double __t;
|
|
struct
|
|
{
|
|
size_t __a;
|
|
size_t __b;
|
|
size_t __c;
|
|
size_t __d;
|
|
};
|
|
} __u;
|
|
__u.__a = 0;
|
|
__u.__b = 0;
|
|
__u.__c = 0;
|
|
__u.__d = 0;
|
|
__u.__t = __v;
|
|
return __u.__a ^ __u.__b ^ __u.__c ^ __u.__d;
|
|
#elif defined(__x86_64__)
|
|
// Zero out padding bits
|
|
union
|
|
{
|
|
long double __t;
|
|
struct
|
|
{
|
|
size_t __a;
|
|
size_t __b;
|
|
};
|
|
} __u;
|
|
__u.__a = 0;
|
|
__u.__b = 0;
|
|
__u.__t = __v;
|
|
return __u.__a ^ __u.__b;
|
|
#else
|
|
return __scalar_hash<long double>::operator()(__v);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp>
|
|
struct _LIBCPP_TYPE_VIS_ONLY hash
|
|
: public unary_function<_Tp, size_t>
|
|
{
|
|
static_assert(is_enum<_Tp>::value, "This hash only works for enumeration types");
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_t operator()(_Tp __v) const _NOEXCEPT
|
|
{
|
|
typedef typename underlying_type<_Tp>::type type;
|
|
return hash<type>{}(static_cast<type>(__v));
|
|
}
|
|
};
|
|
#endif
|
|
|
|
// struct hash<T*> in <memory>
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_FUNCTIONAL
|