1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <functional> 10 // REQUIRES: c++03 || c++11 || c++14 11 // unary_function was removed in C++17 12 13 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS 14 15 // unary_function 16 17 #include <functional> 18 #include <type_traits> 19 20 #include "test_macros.h" 21 main(int,char **)22int main(int, char**) 23 { 24 typedef std::unary_function<int, bool> uf; 25 static_assert((std::is_same<uf::argument_type, int>::value), ""); 26 static_assert((std::is_same<uf::result_type, bool>::value), ""); 27 28 return 0; 29 } 30