[Haskell-beginners] Difference between Char and Data.Char modules
koverton at lab49.com
Thu Jun 14 21:43:50 CEST 2012
Thanks; is there a better, more current example that you know of where I might start instead?
----- Original Message -----
From: Stephen Tetley [mailto:stephen.tetley at gmail.com]
Sent: Thursday, June 14, 2012 03:27 PM
To: Ken Overton
Cc: beginners at haskell.org <beginners at haskell.org>
Subject: Re: [Haskell-beginners] Difference between Char and Data.Char modules
Char dates from the Haskell 98 specification, before hierarchical
modules were standardised. Data.Char is the newer hierarchical module
- it has been the de facto standard for a long time. Haskell 98 is
still supported by GHC but it is no longer the default - I think you
have to provide flags at the command line to get H98 automatically.
I'm not sure if the GLR (or attribute grammar) bits of Happy are
actively used, so you might expect a few infelicities if you try to
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