| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <functional> |
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| 10 | |
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| 11 | // unary_negate |
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| 12 | |
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| 13 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS |
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| 14 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS |
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| 15 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
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| 16 | |
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| 17 | #include <functional> |
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| 18 | #include <type_traits> |
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| 19 | #include <cassert> |
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| 20 | |
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| 21 | #include "test_macros.h" |
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| 22 | |
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| 23 | int main(int, char**) |
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| 24 | { |
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| 25 | typedef std::unary_negate<std::logical_not<int> > F; |
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| 26 | const F f = F(std::logical_not<int>()); |
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| 27 | static_assert((std::is_same<F::argument_type, int>::value), "" ); |
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| 28 | static_assert((std::is_same<F::result_type, bool>::value), "" ); |
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| 29 | assert(f(36)); |
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| 30 | assert(!f(0)); |
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| 31 | |
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| 32 | return 0; |
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| 33 | } |
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| 34 | |
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