Haskell Platform decision: time to bless parsec 3?

[Bryan O'Sullivan]

On Sat, Nov 6, 2010 at 3:11 PM, Antoine Latter <aslatter at gmail.com> wrote:
> Assuming we move the Parsec 'many' implementation into the Alternative
> class definition, this should have no/little impact on performance for
> all the combinators mentioned by Stephen.

I can't speak for Parsec, but I certainly have a local definition of
"many" in attoparsec, because the Alternative version isn't inlined.
Makes a biggish difference to performance, though I do not recall the
magnitude (2x?).