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44 lines
1.1 KiB
C++
44 lines
1.1 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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// type_traits
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// decay
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#include <type_traits>
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#include "test_macros.h"
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template <class T, class U>
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void test_decay()
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{
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ASSERT_SAME_TYPE(U, typename std::decay<T>::type);
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#if TEST_STD_VER > 11
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ASSERT_SAME_TYPE(U, std::decay_t<T>);
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#endif
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}
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int main(int, char**)
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{
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test_decay<void, void>();
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test_decay<int, int>();
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test_decay<const volatile int, int>();
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test_decay<int*, int*>();
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test_decay<int[3], int*>();
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test_decay<const int[3], const int*>();
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test_decay<void(), void (*)()>();
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#if TEST_STD_VER > 11
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test_decay<int(int) const, int(int) const>();
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test_decay<int(int) volatile, int(int) volatile>();
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test_decay<int(int) &, int(int) &>();
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test_decay<int(int) &&, int(int) &&>();
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#endif
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return 0;
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}
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