
#11170: (read ".9") :: Double unable to parse -------------------------------------+------------------------------------- Reporter: varosi | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Core Libraries | Version: 7.10.2 Resolution: | Keywords: Read Operating System: Windows | Architecture: x86_64 Type of failure: Incorrect result | (amd64) at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by nomeata): * cc: ekmett (added) * component: Prelude => Core Libraries Comment: Ah, I see. Sorry for not reading your request carefully. The report simply states
Reads an unsigned RealFrac value, expressed in decimal scientific notation.
which allows for certain variations in interpretation. Also, I don’t see a problem with `read` being more liberal than necessary, as long as no ambiguities or similar are introduced. Reassigning the component to get it onto the radar of the Core Library Committee. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11170#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler