[Haskell-cafe] parsec3 pre-release [attempt 2]

Antoine Latter aslatter at gmail.com
Mon Feb 4 22:26:23 EST 2008

On Feb 4, 2008 9:11 PM, Philippa Cowderoy <flippa at flippac.org> wrote:
> It's a necessary part of how Parsec works - both the Consumed and the
> Reply depend on the input stream, which is now generated from within the
> base monad. The Consumed result is evaluated in advance of the Reply, so
> keeping the computations separate preserves an important piece of
> laziness as m could be a strict monad.
> For now it's probably a good idea to look for issues that're visible to
> client code? Turning Parsec into a transformer was long considered an
> invitation to serious confusion, so it's not surprising that a few things
> look odd and a few others can be generalised in ways that aren't
> immediately obvious.

After I determined that the pre-release worked fine for the biggest
set of parsers I have, I had to find other things to bring up :-)


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