What's new in purely functional data structures since Okasaki?

New purely functional data structures published since 1998: 2001: Ideal Hash Trees, and its 2000 predecessor, Fast And Space Efficient Trie Searches, by Phil Bagwell: Apparently used as a fundamental building block in Clojure's standard library. 2001: A Simple Implementation Technique for Priority Search Queues, by Ralf Hinze: a really simple and beautiful technique for implementing this important

[p_tan]

新しい純粋関数型データ構造のリスト

[TaKUMA]

purely functional data structures

[Nnwww]

Okasaki本以降の純粋データ構造についての文献リスト

[tanakh]

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