[Haskell] newbie question: variable not in scope: isSpace

If I use isSpace from the hugs interpretor, it works. If I use isSpace from a test.hs file I get the error message: Undefined variable isSpace From ghc I get the error message: Variable not in scope: isSpace What is wrong? Guus. -- A.J. Bonnema, Leiden The Netherlands, user #328198 (Linux Counter

Re: [Haskell] newbie question: variable not in scope: isSpace

A.J. Bonnema wrote: If I use isSpace from the hugs interpretor, it works. If I use isSpace from a test.hs file I get the error message: Undefined variable isSpace From ghc I get the error message: Variable not in scope: isSpace What is wrong? Hugs automatically imports a few extra things as well