group-with
A Haskell library to classify objects by a function value, just like SQL GROUP BY.
A library to classify objects into multimaps by using a function generating keys for any object in the list. This allows an approach similar to SQL GROUP BY. Provides a more flexible approach to GHC.Exts.groupWith.
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cabal install group-with-0.2.0.3
A Haskell library to classify objects by a function value, just like SQL GROUP BY.