map -package:unordered-containers -package:containers -package:imports -package:blaze-html -package:filepath -is:exact -package:bytestring -package:base package:ghc -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).