[Haskell-cafe] A valuable new combinator for Parsec?

[Jeremy Shaw]

At Mon, 12 Mar 2007 11:24:48 +0100,
Maxime Henrion wrote:

> pmaybe :: GenParser tok st a -> GenParser tok st (Maybe a)
> pmaybe p = option Nothing (p >>= return . Just)
> 
> I've been using it happily with some code of mine.  Do people think
> that it would be generally useful to have in Parsec?

I believe I have written that same combinator a few times myself, so I
vote yes.

j.