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flat_map.hpp

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+/*******************************************************************************
+ * This file is part of the "https://github.com/blackmatov/flat.hpp"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2019, by Matvey Cherevko (blackmatov@gmail.com)
+ ******************************************************************************/
+
+#pragma once
+
+#include <vector>
+#include <memory>
+#include <utility>
+#include <functional>
+#include <type_traits>
+
+namespace flat_hpp
+{
+    template < typename Key
+             , typename Value
+             , typename Compare = std::less<Key>
+             , typename Allocator = std::allocator<std::pair<const Key, Value>> >
+    class flat_map final {
+        using data_type = std::vector<std::pair<const Key, Value>, Allocator>;
+    public:
+        using key_type = Key;
+        using mapped_type = Value;
+        using value_type = typename data_type::value_type;
+
+        using size_type = typename data_type::size_type;
+        using difference_type = typename data_type::difference_type;
+
+        using key_compare = Compare;
+        using allocator_type = Allocator;
+
+        using reference = typename data_type::reference;
+        using const_reference = typename data_type::const_reference;
+        using pointer = typename data_type::pointer;
+        using const_pointer = typename data_type::const_pointer;
+
+        using iterator = typename data_type::iterator;
+        using const_iterator = typename data_type::const_iterator;
+        using reverse_iterator = typename data_type::reverse_iterator;
+        using const_reverse_iterator = typename data_type::const_reverse_iterator;
+    };
+}