Kitzunu
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
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* Copyright (C) 2008-2021 TrinityCore <http://www.trinitycore.org/>
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*/
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#ifndef IteratorPair_h__
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#define IteratorPair_h__
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#include "Define.h"
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#include <utility>
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namespace Acore
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{
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/**
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* @class IteratorPair
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*
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* @brief Utility class to enable range for loop syntax for multimap.equal_range uses
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*/
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template<class iterator>
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class IteratorPair
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{
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public:
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constexpr IteratorPair() : _iterators() { }
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constexpr IteratorPair(iterator first, iterator second) : _iterators(first, second) { }
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constexpr IteratorPair(std::pair<iterator, iterator> iterators) : _iterators(iterators) { }
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constexpr iterator begin() const { return _iterators.first; }
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constexpr iterator end() const { return _iterators.second; }
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private:
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std::pair<iterator, iterator> _iterators;
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};
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namespace Containers
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{
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template<class M>
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inline auto MapEqualRange(M& map, typename M::key_type const& key) -> IteratorPair<decltype(map.begin())>
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{
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return { map.equal_range(key) };
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}
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}
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//! namespace Containers
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}
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//! namespace Acore
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#endif // IteratorPair_h__
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