Esteban Papp
9f0bbf3b74
* git mv Code\CryEngine Code\Legacy * redirecting CMakeLists.txt * fixing uic warning * Some more CryEngine mentions * validation scripts Signed-off-by: Esteban Papp <81431996+amznestebanpapp@users.noreply.github.com>
135 lines
2.2 KiB
C++
135 lines
2.2 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifndef CRYINCLUDE_CRYCOMMON_METAUTILS_H
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#define CRYINCLUDE_CRYCOMMON_METAUTILS_H
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#pragma once
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namespace metautils
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{
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// select
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template<bool Condition, typename Ty1, typename Ty2>
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struct select;
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template<typename Ty1, typename Ty2>
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struct select<true, Ty1, Ty2>
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{
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typedef Ty1 type;
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};
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template<typename Ty1, typename Ty2>
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struct select<false, Ty1, Ty2>
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{
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typedef Ty2 type;
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};
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// is_same
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// Identifies whether types Ty1 and Ty2 are the same including const & volatile.
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template<typename Ty1, typename Ty2>
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struct is_same;
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template<typename Ty1>
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struct is_same<Ty1, Ty1>
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{
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enum
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{
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value = true,
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};
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};
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template<typename Ty1, typename Ty2>
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struct is_same
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{
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enum
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{
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value = false,
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};
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};
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// remove_const
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// Removes top level const qualifier.
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template<class Ty>
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struct remove_const
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{
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typedef Ty type;
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};
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template<class Ty>
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struct remove_const<const Ty>
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{
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typedef Ty type;
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};
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template<class Ty>
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struct remove_const<const Ty[]>
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{
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typedef Ty type[];
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};
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template<class Ty, unsigned int N>
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struct remove_const<const Ty[N]>
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{
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typedef Ty type[N];
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};
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// is_const
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// Determines whether type Ty is const qualified.
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template <typename Ty>
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struct is_const
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{
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enum
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{
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value = false
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};
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};
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template <typename Ty>
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struct is_const<const Ty>
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{
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enum
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{
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value = true
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};
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};
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template<class Ty, unsigned int N>
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struct is_const<Ty[N]>
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{
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enum
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{
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value = false
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};
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};
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template<class Ty, unsigned int N>
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struct is_const<const Ty[N]>
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{
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enum
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{
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value = true
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};
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};
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template<class Ty>
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struct is_const<Ty&>
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{
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enum
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{
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value = false
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};
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};
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};
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#endif // CRYINCLUDE_CRYCOMMON_METAUTILS_H
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