map -package:Cabal -package:base -package:case-insensitive -package:vector -package:blaze-html -package:hedgehog -package:bytestring is:module -package:range-set-list package:ghc-lib-parser

RoughMap is an approximate finite map data structure keyed on [RoughMatchTc]. This is useful when keying maps on lists of Types (e.g. an instance head).