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| Rev | Author | Line No. | Line |
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| 1 | pmbaty | 1 | /* |
| 2 | * This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>. |
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| 3 | * It is copyright by its individual contributors, as recorded in the |
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| 4 | * project's Git history. See COPYING.txt at the top level for license |
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| 5 | * terms and a link to the Git history. |
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| 6 | */ |
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| 7 | #pragma once |
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| 8 | #include <cstddef> |
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| 9 | #include <type_traits> |
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| 10 | |||
| 11 | namespace detail { |
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| 12 | |||
| 13 | template <typename T> |
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| 14 | std::is_rvalue_reference<T> is_ephemeral_range(...); |
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| 15 | |||
| 16 | template <typename T> |
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| 17 | typename std::remove_reference<T>::type::range_owns_iterated_storage is_ephemeral_range(std::nullptr_t); |
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| 18 | |||
| 19 | } |
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| 20 | |||
| 21 | template <typename... Tn> |
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| 22 | using any_ephemeral_range = std::disjunction<decltype(detail::is_ephemeral_range<Tn>(nullptr))...>; |