#9502: mapAccumL does not participate in foldr/build fusion -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: libraries/base | Version: 7.8.3 Keywords: | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Unknown | Type of failure: Runtime Blocked By: | performance bug Related Tickets: | Test Case: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- This can probably be fixed in much the same way as `scanl`. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9502 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler