Luo Shuli wrote: > Dear Haskellers, > I am a beginer of the haskell language and study it from <<Yet Another > Haskell Tutarial>> of Hal Daume III. > Example from the tutarial: > Prelude> map Char.toUpper "Hello World"
This works only with ghci > I try it on Hugs for windows32, compile error: > ERROR - Undefined qualified variable "Char.toUpper" > > Could anybody tell me what's the matter with it? In hugs load "Char" first with ":l Char" and then use toUpper unqualified: Char> map toUpper "Hello World" Christian _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell