map -package:containers -package:basement -package:psqueues -package:Cabal-syntax -package:regex-tdfa -package:bytestring -package:base -package:integration -package:charset package:ghc is:module

The assignment of virtual registers to stack slots
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).