[util.smartptr.hash]
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@105393 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1834,16 +1834,7 @@ struct hash<long double>
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}
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};
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template<class _Tp>
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struct hash<_Tp*>
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: public unary_function<_Tp*, size_t>
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{
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size_t operator()(_Tp* __v) const
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{
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const size_t* const __p = reinterpret_cast<const size_t*>(&__v);
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return *__p;
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}
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};
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// struct hash<T*> in <memory>
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_LIBCPP_END_NAMESPACE_STD
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@ -2463,6 +2463,31 @@ inline _LIBCPP_INLINE_VISIBILITY
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bool
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operator>=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__x < __y);}
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template <class> struct hash;
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template<class _Tp>
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struct hash<_Tp*>
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: public unary_function<_Tp*, size_t>
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{
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size_t operator()(_Tp* __v) const
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{
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const size_t* const __p = reinterpret_cast<const size_t*>(&__v);
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return *__p;
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}
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};
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template <class _Tp, class _Dp>
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struct hash<unique_ptr<_Tp, _Dp> >
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{
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typedef unique_ptr<_Tp, _Dp> argument_type;
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typedef size_t result_type;
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result_type operator()(const argument_type& __ptr) const
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{
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typedef typename argument_type::pointer pointer;
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return hash<pointer>()(__ptr.get());
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}
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};
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struct __destruct_n
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{
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private:
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@ -3785,6 +3810,17 @@ public:
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template <class _Up> friend class shared_ptr;
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};
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template <class _Tp>
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struct hash<shared_ptr<_Tp> >
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{
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typedef shared_ptr<_Tp> argument_type;
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typedef size_t result_type;
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result_type operator()(const argument_type& __ptr) const
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{
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return hash<_Tp*>()(__ptr.get());
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}
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};
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//enum class
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struct pointer_safety
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{
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@ -235,7 +235,7 @@ __call_once(volatile unsigned long& flag, void* arg, void(*func)(void*))
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pthread_mutex_lock(&mut);
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flag = 0ul;
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pthread_mutex_unlock(&mut);
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pthread_cond_signal(&cv);
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pthread_cond_broadcast(&cv);
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throw;
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}
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}
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@ -0,0 +1 @@
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// template <class T>
// struct hash<shared_ptr<T>>
// {
// typedef shared_ptr<T> argument_type;
// typedef size_t result_type;
// size_t operator()(const shared_ptr<T>& p) const;
// };
#include <memory>
#include <cassert>
int main()
{
int* ptr = new int;
std::shared_ptr<int> p(ptr);
std::hash<std::shared_ptr<int> > f;
std::size_t h = f(p);
assert(h == std::hash<int*>()(ptr));
}
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@ -0,0 +1 @@
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// template <class T, class D>
// struct hash<unique_ptr<T, D>>
// {
// typedef unique_ptr<T, D> argument_type;
// typedef size_t result_type;
// size_t operator()(const unique_ptr<T, D>& p) const;
// };
#include <memory>
#include <cassert>
int main()
{
int* ptr = new int;
std::unique_ptr<int> p(ptr);
std::hash<std::unique_ptr<int> > f;
std::size_t h = f(p);
assert(h == std::hash<int*>()(ptr));
}
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@ -0,0 +1,21 @@
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <tuple>
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// template<class... Types>
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// tuple<ATypes...> pack_arguments(Types&&... t);
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#include <tuple>
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int main()
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{
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#error pack_arguments not implemented
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}
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