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 22 struct A 23 { 24 typedef short element_type; 25 typedef char difference_type; 26 }; 27 28 int 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
