| 1 | // Copyright (c) 2023 Bela Schaum, X-Ryl669, Denis Mikhailov. |
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| 2 | // |
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| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | |
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| 7 | // Initial implementation by Bela Schaum, https://github.com/schaumb |
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| 8 | // The way to make it union and UB free by X-Ryl669, https://github.com/X-Ryl669 |
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| 9 | // |
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| 10 | |
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| 11 | template <auto p> |
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| 12 | class X {}; |
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| 13 | |
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| 14 | template <class T> |
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| 15 | struct Store |
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| 16 | { |
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| 17 | T v; |
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| 18 | }; |
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| 19 | |
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| 20 | template <class T> |
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| 21 | Store(T) -> Store<T>; |
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| 22 | |
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| 23 | struct S |
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| 24 | { |
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| 25 | int m; |
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| 26 | } s; |
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| 27 | |
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| 28 | X<Store{&s.m}> x4; |
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| 29 | |
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| 30 | int main() {} |
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| 31 | |
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| 32 | |
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| 33 | |
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