#12173: foldl' semantics changed from 4.7 to 4.8 -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Core Libraries | Version: 7.10.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by duncan): I wholeheartedly endorse this accidental change! http://www.well-typed.com/blog/90/ (see especially the section at the end about which `foldl'`) The strictness of the original definition of `foldl'` was itself accidental. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12173#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler