[Haskell-cafe] do/if/then/else confusion

Another newbie question, but I can't seem to find any answers on the web... Can someone tell me what's wrong with this? import qualified System.Posix.Directory as PD readdirAll :: PD.DirStream - IO [String] readdirAll d = do dir - PD.readDirStream d if dir == then return []

Re: [Haskell-cafe] do/if/then/else confusion

On Nov 1, 2007, at 13:47 , David Carter wrote: else rest - readdirAll d You need another do here to use the - syntax. -- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] [EMAIL PROTECTED] system administrator [openafs,heimdal,too many hats] [EMAIL PROTECTED] electrical and

Re: [Haskell-cafe] do/if/then/else confusion

David Carter wrote: readdirAll :: PD.DirStream - IO [String] readdirAll d = do dir - PD.readDirStream d if dir == then return [] else rest - readdirAll d return (dir:rest) Compiling with GHC 6.6.1 gives me the not-very-useful message Parse error in pattern,