[Haskell-beginners] How to import the Data.Char library in Hugs?
Benjamin L.Russell
DekuDekuplex at Yahoo.com
Thu Sep 17 08:41:47 EDT 2009
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
--
Benjamin L. Russell / DekuDekuplex at Yahoo dot com
http://dekudekuplex.wordpress.com/
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