#12665: Make Read instances faster, and make them fail fast -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: dfeuer Type: feature request | Status: new Priority: high | Milestone: 8.2.1 Component: Core Libraries | Version: 8.0.1 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): Argh! I was stupid there. I figured out a way. Also, I managed to forget that we have arbitrary look-ahead, so if we ''prefer'' to work from a list, we actually can. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12665#comment:12 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler