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 Alloc> 13 // struct allocator_traits 14 // { 15 // typedef Alloc allocator_type; 16 // ... 17 // }; 18 19 #include <memory> 20 #include <type_traits> 21 22 template <class T> 23 struct A 24 { 25 typedef T value_type; 26 }; 27 28 int main() 29 { 30 static_assert((std::is_same<std::allocator_traits<A<char> >::allocator_type, A<char> >::value), ""); 31 } 32