TypeListOps.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 "Concat.hpp"
#include "Map.hpp"
#include "MetaFor.hpp"
#include "Rename.hpp"
#include "Type.hpp"
#include "TypeList.hpp"
 
#include <tuple>
#include <type_traits>
 
namespace CeresEngine::MPL {
 
    template<typename TTypeList> using Tuple = Rename<std::tuple, TTypeList>;
 
    template<typename TTypeList> using TypeTuple = Tuple<Map<Type, TTypeList>>;
 
    template<std::size_t TIndex, typename TTypeList> using Nth = std::tuple_element_t<TIndex, Tuple<TTypeList>>;
 
    template<typename T, typename TTypeList> using PushBack = Concat<TTypeList, TypeList<T>>;
 
    template<typename T, typename TTypeList> using PushFront = Concat<TypeList<T>, TTypeList>;
 
    template<typename TTypeList> constexpr auto size() noexcept { return TTypeList::size; }
 
    template<typename TTypeList, typename TFunction> constexpr void forTypes(TFunction&& mFunction) noexcept { forTuple(mFunction, TypeTuple<TTypeList>{}); }
 
    template<typename TTypeList> using Head = Nth<0, TTypeList>;
 
    template<typename TTypeList> using Tail = Nth<size<TTypeList>() - 1, TTypeList>;
 
    struct ExpandT {
        ExpandT(std::initializer_list<int>&&) {}
    };
#define EXPAND(CODE) CeresEngine::MPL::ExpandT{0, ((CODE), 0)...};
 
} // namespace CeresEngine::MPL