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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: libcpp-has-no-threads
// <thread>
// template <class T>
// struct hash
// : public unary_function<T, size_t>
// {
// size_t operator()(T val) const;
// };
// Not very portable
#include <thread>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::thread::id id1;
std::thread::id id2 = std::this_thread::get_id();
typedef std::hash<std::thread::id> H;
static_assert((std::is_same<typename H::argument_type, std::thread::id>::value), "" );
static_assert((std::is_same<typename H::result_type, std::size_t>::value), "" );
ASSERT_NOEXCEPT(H()(id2));
H h;
assert(h(id1) != h(id2));
return 0;
}
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