Sweet :) I'm glad that notFollowedBy has been fixed. I've often had to redefine it because the type was to restrictive.
- Job On Wed, Mar 3, 2010 at 11:45 PM, Derek Elkins <derek.a.elk...@gmail.com>wrote: > Parsec is a monadic combinator library that is well-documented, simple > to use, and produces good error messages. Parsec is not inherently > lazy/incremental and is not well-suited to handling large quantities > of simply formatted data. Parsec 3 adds to Parsec the ability to use > Parsec as a monad transformer and generalizes the input Parsec > accepts. Parsec 3 includes a compatibility layer for Parsec 2 and > should be a drop-in replacement for code using Parsec 2. Code using > the features of Parsec 3 should use the modules in Text.Parsec. > > Due almost entirely to the work of Antoine Latter there is a new > version of Parsec 3 available. He documented some of his thoughts on > this in this series of blog posts: > http://panicsonic.blogspot.com/2009/12/adventures-in-parsec.html > > The main features of this release are: > - the performance should be much better and comparable to Parsec 2 > - notFollowedBy's type and behavior have been generalized > > Changes: > - the changes to the core of Parsec lead to some changes to when > things get executed when it is used as a monad transformer > "In the new version bind, return and mplus no longer run in > the inner monad, so if the inner monad was side-effecting for these > actions the behavior of existing code will change." > - notFollowedBy p now behaves like notFollowedBy (try p) which > changes the behavior slightly when p consumes input, though the > behavior should be more natural now. > - the set of names exported from Text.Parsec.Prim has changed somewhat > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
_______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe