34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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// unary_negate
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// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS
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// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS
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// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
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#include <functional>
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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typedef std::unary_negate<std::logical_not<int> > F;
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const F f = F(std::logical_not<int>());
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static_assert((std::is_same<F::argument_type, int>::value), "" );
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static_assert((std::is_same<F::result_type, bool>::value), "" );
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assert(f(36));
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assert(!f(0));
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return 0;
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}
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