map -package:Cabal -package:base -package:text -package:dlist -package:unordered-containers -package:blaze-html package:ghc -is:exact -is:exact 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).