[Haskell-cafe] Parsec on TeX

Don Stewart dons at galois.com
Mon May 5 18:02:20 EDT 2008

> Ross Boylan wrote:
> >First, I'm really impressed with the fast and helpful responses from
> >several people!
> >  
> Ask an easy question and you'll get at least a dozen people tripping 
> over each other in their rush to offer you useful advice. Ask a hard 
> question, or an uninteresting question, and enjoy the utter silence... 
> :-( Still, I suppose that's not *too* surprising.
> >I had thought HUGS made more sense for fiddling around, but it seems all
> >I'm doing is loading files anyway.  What is the style people use for
> >this exploratory work?  I've already installed haskell-mode for emacs
> >and ghc6, but it's not clear to me to what extent the former servers as
> >a development environment rather than just a language formatter.
> >  
> I used to use Hugs as well. Then I updated to the newest version, and 
> found it horrifically buggy. That's when I moved over to GHC. As Don 
> said, GHCi doesn't let you define new functions like Hugs does, but 

Other way around, GHCi lets you define new functions, unlike Hugs :)

    $ ghci
    Prelude> let f x = x ^ 2
    Prelude> f 2


    $ hugs
    Type :? for help
    Hugs.Base> let f x = x ^ 2
    ERROR - Syntax error in expression (unexpected end of input)
    Hugs.Base> [Leaving Hugs]

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