[Haskell-cafe] [Maybe Int] sans Nothings

[Gregory Crosswhite]

On 05/23/2011 12:08 PM, Brent Yorgey wrote:
> Just a minor quibble: note that
>
>> >  filter (not . isNothing)
> is slightly preferable since it does not introduce a frivolous
> equality constraint on the type wrapped by the Maybe.

Or even better,

     filter isJust

:-)

Cheers,
Greg