f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
724 B
C++
32 lines
724 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. 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));
|
|
}
|