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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// template <class T>
// struct hash
// : public unary_function<T, size_t>
// {
// size_t operator()(T val) const;
// };
// Not very portable
#include <thread>
#include <cassert>
int main()
{
std::thread::id id1;
std::thread::id id2 = std::this_thread::get_id();
typedef std::hash<std::thread::id> H;
H h;
assert(h(id1) != h(id2));
}
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