ed56921d6e
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@132129 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
// -*- C++ -*-
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//===----------------------- initializer_list -----------------------------===//
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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_INITIALIZER_LIST
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#define _LIBCPP_INITIALIZER_LIST
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/*
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initializer_list synopsis
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namespace std
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{
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template<class E>
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class initializer_list
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{
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public:
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typedef E value_type;
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typedef const E& reference;
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typedef const E& const_reference;
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typedef size_t size_type;
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typedef const E* iterator;
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typedef const E* const_iterator;
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initializer_list() noexcept;
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size_t size() const noexcept;
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const E* begin() const noexcept;
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const E* end() const noexcept;
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};
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template<class E> const E* begin(initializer_list<E> il) noexcept;
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template<class E> const E* end(initializer_list<E> il) noexcept;
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} // std
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*/
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#include <__config>
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#include <cstddef>
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#pragma GCC system_header
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namespace std // purposefully not versioned
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{
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template<class _E>
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class _LIBCPP_VISIBLE initializer_list
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{
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const _E* __begin_;
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size_t __size_;
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_LIBCPP_ALWAYS_INLINE
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initializer_list(const _E* __b, size_t __s) _NOEXCEPT
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: __begin_(__b),
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__size_(__s)
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{}
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public:
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typedef _E value_type;
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typedef const _E& reference;
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typedef const _E& const_reference;
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typedef size_t size_type;
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typedef const _E* iterator;
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typedef const _E* const_iterator;
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_LIBCPP_ALWAYS_INLINE initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
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_LIBCPP_ALWAYS_INLINE size_t size() const _NOEXCEPT {return __size_;}
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_LIBCPP_ALWAYS_INLINE const _E* begin() const _NOEXCEPT {return __begin_;}
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_LIBCPP_ALWAYS_INLINE const _E* end() const _NOEXCEPT {return __begin_ + __size_;}
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};
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template<class _E>
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inline _LIBCPP_INLINE_VISIBILITY
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const _E*
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begin(initializer_list<_E> __il) _NOEXCEPT
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{
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return __il.begin();
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}
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template<class _E>
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inline _LIBCPP_INLINE_VISIBILITY
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const _E*
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end(initializer_list<_E> __il) _NOEXCEPT
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{
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return __il.end();
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}
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} // std
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#endif // _LIBCPP_INITIALIZER_LIST
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