[Haskell-beginners] How to import the Data.Char library in Hugs?

[Adrian Neumann]

You do

> :l Data.Char

As far as I know you can't have multiple loaded modules unless you put
them in a file and load that.

Regards,

Adrian

Benjamin L.Russell schrieb:
> My apologies if this is an extremely elementary question, but I am
> having difficulties in importing the Data.Char library in Hugs.
> 
> In GHCi, the command "import Data.Char" works correctly, as follows:
> 
> --8<---------------cut here---------------start------------->8---
> GHCi, version 6.10.3: http://www.haskell.org/ghc/  :? for help
> Loading package ghc-prim ... linking ... done.
> Loading package integer ... linking ... done.
> Loading package base ... linking ... done.
>    ___         ___ _
>   / _ \ /\  /\/ __(_)
>  / /_\// /_/ / /  | |   GHC Interactive, for Haskell 98.
> / /_\\/ __  / /___| |   http://www.haskell.org/ghc/
> \____/\/ /_/\____/|_|   Type :? for help.
> 
> Prelude> import Data.Char
> Prelude Data.Char>
> --8<---------------cut here---------------end--------------->8---
> 
> However, in Hugs, the same command fails with an error, as follows:
> 
> --8<---------------cut here---------------start------------->8---
> __   __ __  __  ____   ___ _________________________________________
> ||   || ||  || ||  || ||__      Hugs 98: Based on the Haskell 98 standard
> ||___|| ||__|| ||__||  __||     Copyright (c) 1994-2005
> ||---||         ___||           World Wide Web: http://haskell.org/hugs
> ||   ||                         Bugs: http://hackage.haskell.org/trac/hugs
> ||   || Version: 20051031       _________________________________________
> 
> Haskell 98 mode: Restart with command line option -98 to enable
> extensions
> 
> Type :? for help
> Hugs> import Data.Char
> ERROR - Syntax error in expression (unexpected keyword "import")
> Hugs>
> --8<---------------cut here---------------end--------------->8---
> 
> Does anybody know how to import the Data.Char library in Hugs?
> 
> -- Benjamin L. Russell


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