ContainsAll.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Count.hpp"
#include "TypeList.hpp"
 
#include <type_traits>
 
namespace CeresEngine::MPL {
 
    template<typename TCheckTypeList, typename TTypeList> struct ContainsAllHelper;
 
    template<typename TCheckTypeList, typename TTypeList> inline constexpr bool ContainsAll = ContainsAllHelper<TCheckTypeList, TTypeList>::value;
 
    template<typename T, typename... TRest, typename TTypeList>
    struct ContainsAllHelper<TypeList<T, TRest...>, TTypeList>
            : std::integral_constant<bool, Contains<T, TTypeList> && ContainsAll<TypeList<TRest...>, TTypeList>> {};
 
    template<typename TTypeList> struct ContainsAllHelper<TypeList<>, TTypeList> : std::true_type {};
} // namespace CeresEngine::MPL