| 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 | // UNSUPPORTED: c++03 |
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| 10 | |
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| 11 | // <functional> |
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| 12 | |
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| 13 | // See https://llvm.org/PR20002 |
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| 14 | |
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| 15 | #include <functional> |
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| 16 | #include <type_traits> |
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| 17 | |
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| 18 | #include "test_macros.h" |
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| 19 | |
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| 20 | using Fn = std::function<void()>; |
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| 21 | struct S : public std::function<void()> { using function::function; }; |
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| 22 | |
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| 23 | int main(int, char**) { |
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| 24 | S s( [](){} ); |
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| 25 | S f1( s ); |
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| 26 | #if TEST_STD_VER <= 14 |
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| 27 | S f2(std::allocator_arg, std::allocator<int>{}, s); |
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| 28 | #endif |
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| 29 | |
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| 30 | return 0; |
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| 31 | } |
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| 32 | |
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