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 // REQUIRES: c++98 || c++03 || c++11 || c++14 12 // unary_function was removed in C++17 13 14 // unary_function 15 16 #include <functional> 17 #include <type_traits> 18 main()19int main() 20 { 21 typedef std::unary_function<int, bool> uf; 22 static_assert((std::is_same<uf::argument_type, int>::value), ""); 23 static_assert((std::is_same<uf::result_type, bool>::value), ""); 24 } 25