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https://github.com/OpenRCT2/OpenRCT2
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4d27417fd2
An underscore followed by a capital letter used as a prefix might cause undefined behaviour
31 lines
987 B
C++
31 lines
987 B
C++
/*****************************************************************************
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* Copyright (c) 2014-2020 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#pragma once
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#include <type_traits>
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namespace Meta
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{
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/**
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* Meta function for checking that all Conditions are true types.
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*/
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template<typename... TConditions> struct all : std::true_type
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{
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};
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template<typename TCondition, typename... TConditions>
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struct all<TCondition, TConditions...> : std::conditional<TCondition::value, all<TConditions...>, std::false_type>::type
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{
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};
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template<typename TType, typename... TTypes> using all_convertible = all<std::is_convertible<TTypes, TType>...>;
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} // namespace Meta
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