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 11 // unary_negate 12 13 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS 14 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS 15 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS 16 17 #include <functional> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 main(int,char **)23int main(int, char**) 24 { 25 typedef std::unary_negate<std::logical_not<int> > F; 26 const F f = F(std::logical_not<int>()); 27 static_assert((std::is_same<F::argument_type, int>::value), "" ); 28 static_assert((std::is_same<F::result_type, bool>::value), "" ); 29 assert(f(36)); 30 assert(!f(0)); 31 32 return 0; 33 } 34