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 Arg1, class Arg2, class Result> 13 // struct binary_function 14 // { 15 // typedef Arg1 first_argument_type; 16 // typedef Arg2 second_argument_type; 17 // typedef Result result_type; 18 // }; 19 20 #include <functional> 21 #include <type_traits> 22 23 int main() 24 { 25 static_assert((std::is_same<std::binary_function<int, unsigned, char>::first_argument_type, int>::value), ""); 26 static_assert((std::is_same<std::binary_function<int, unsigned, char>::second_argument_type, unsigned>::value), ""); 27 static_assert((std::is_same<std::binary_function<int, unsigned, char>::result_type, char>::value), ""); 28 } 29