#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 dfeuer): I should clarify that I'm not personally attached to either option. But the semantic change was not discussed, I suspect it was accidental, and it is inconsistent with `Foldable` defaults. I feel pretty strongly that there should only be ''one'' notion of `foldl'` in `base`, whichever that is. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12173#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler