difference_type.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1//===----------------------------------------------------------------------===//
2//
3// ��������������������The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <memory>
11
12// template <class T>
13// struct pointer_traits<T*>
14// {
15//     typedef ptrdiff_t difference_type;
16//     ...
17// };
18
19#include <memory>
20#include <type_traits>
21
22int main()
23{
24    static_assert((std::is_same<std::pointer_traits<double*>::difference_type, std::ptrdiff_t>::value), "");
25}
26