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GHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05

Modulenumeric-prelude-0.4.4Haskell98

MathObj.DiscreteMap

DiscreteMap was originally intended as a type class that unifies Map and Array. One should be able to simply choose between - Map for sparse arrays - Array for full arrays.

However, the Edison package provides the class AssocX which already exists for that purpose.

Currently I use this module for some numeric instances of Data.Map.

  • 1 value
valuestrip :: (Ord i, Eq v, C v) => Map i v -> Map i v
#

Remove all zero values from the map.

Orphan instances

8 instances