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AK: Allow getting the key from a RedBlackTree iterator
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@ -406,6 +406,8 @@ public:
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[[nodiscard]] bool is_end() const { return !m_node; }
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[[nodiscard]] bool is_begin() const { return !m_prev; }
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auto key() const { return m_node->key; }
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private:
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friend TreeType;
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explicit RedBlackTreeIterator(typename TreeType::Node* node, typename TreeType::Node* prev = nullptr)
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