#15731: Add sortOn/coerce rule -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: feature request | Status: new Priority: normal | Milestone: 8.8.1 Component: Core Libraries | Version: 8.6.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by dfeuer): `sortOn` uses decorate-sort-undecorate, which is only efficient if the passed function is sufficiently expensive. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15731#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler