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map -package:containers -package:base-compat -package:Cabal-syntax -package:basement -package:pipes -package:base -package:os-string -package:invertible is:exact -package:base-prelude -package:charset package:foldl
map
:: Ord a => Fold (a, b) (Map a b)
foldl
Control.Foldl
Fold pairs into a map.
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