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 as the standard prelude. Try adding the line
import Data.Char
to your module.
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