1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <memory> 11 12// template <class Ptr> 13// struct pointer_traits 14// { 15// typedef Ptr pointer; 16// ... 17// }; 18 19#include <memory> 20#include <type_traits> 21 22struct A 23{ 24 typedef short element_type; 25 typedef char difference_type; 26}; 27 28int main() 29{ 30 static_assert((std::is_same<std::pointer_traits<A>::pointer, A>::value), ""); 31 static_assert((std::is_same<std::pointer_traits<int*>::pointer, int*>::value), ""); 32} 33