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// <functional> 11 12// template <class Arg, class Result> 13// struct unary_function 14// { 15// typedef Arg argument_type; 16// typedef Result result_type; 17// }; 18 19#include <functional> 20#include <type_traits> 21 22int main() 23{ 24 static_assert((std::is_same<std::unary_function<unsigned, char>::argument_type, unsigned>::value), ""); 25 static_assert((std::is_same<std::unary_function<unsigned, char>::result_type, char>::value), ""); 26} 27