Persistent LinkedHashMap data structure https://github.com/abasko/linkedhashmap
|Latest on Hackage:||0.4.0.0|
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Haskell implementation of Java LinkedHashMap.
Underlying HashMap is based on Data.HashMap.Strict.
Two different implementations are based on Data.Sequence and Data.IntMap.Strict to keep keys in the order of insertion.
Criterion report: https://cdn.rawgit.com/abasko/linkedhashmap/68de7332e80db673e024906321ad2e14c2baa4d1/benchmarks/report.html