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From: ramakris@bloss.cs.vt.edu (S Ramakrishnan)
Newsgroups: comp.lang.functional,comp.lang.misc
Subject: Help needed with Yale Haskell.
Summary: Help needed with defining ADTs and type classes in Yale Haskell.
Keywords: Yale Haskell, ADTs, type classes, <sniff>, SOS.
Message-ID: <1030@creatures.cs.vt.edu>
Date: 10 Mar 91 23:47:21 GMT
Expires: 10 Mar 91 23:47:34 GMT
Sender: usenet@creatures.cs.vt.edu
Reply-To: ramakris@bloss.cs.vt.edu (S Ramakrishnan)
Followup-To: comp.lang.functional
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Organization: Virginia Tech Computer Science, Blacksburg, VA
Lines: 26

I have selected Haskell as the language for the implementation
of my thesis stuff. This is because, apart being purely
functional, Haskell as just the right stuff for my purposes
(non-strict semantics, list comprehension, type classes, ADTs,
and even functional I/O).

However, I have run into rough weather in using (learning) Haskell.
Apparently no user guide exists, nor any kind of language tutorial. I
have been trying to learn the language using the language specification B-<
:-( given in the Haskell Language Report generated by the Yale Haskell
Group. The interpreter seems to fault almost whatever I say. In
particular I am having problems defining user defined abstract data
types and classes.

Is there a compassionate soul out there knowledgeable in the ways of Haskell
who can help me out of my problems *once in a while* (note the emphasis) ?
What we have conceptually defined is exciting and its frustrating not to
be able to see it working because there exists no language tutorial for Haskell.

I shall be eternally obliged to anyone who can and is willing to help.

<sniff><sniff> Will I ever graduate ?
--
 S Ramakrishnan, CS Dept, McBryde Hall, VaTech, Blacksburg, Virg.  24061-0106
       {    Email : (Internet) : ramakris@bloss.cs.vt.edu    }
       {          :   (Bitnet) : ramakrish%VTCC1.BITNET      }