30 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <functional>10// REQUIRES: c++03 || c++11 || c++1411// unary_function was removed in C++1712 13// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS14 15// unary_function16 17#include <functional>18#include <type_traits>19 20#include "test_macros.h"21 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