On 5/23/11 9:29 AM, Max Bolingbroke wrote:
On 23 May 2011 17:20, michael rice <nowg...@yahoo.com <mailto:nowg...@yahoo.com>> wrote:

    What's the best way to end up with a list composed of only the
    Just values,
    no Nothings?

http://haskell.org/hoogle/?hoogle=%3A%3A+%5BMaybe+a%5D+-%3E+%5Ba%5D

Data.Maybe.catMaybes is what you want :-)

Cheers,
Max


On 5/23/11 9:25 AM, Malcolm Wallace wrote:
On 23 May 2011, at 17:20, michael rice wrote:

What's the best way to end up with a list composed of only the Just values,
no Nothings?
Go to haskell.org/hoogle
Type in "[Maybe a] ->  [a]"
Click on first result.

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On 5/23/11 9:25 AM, Gregory Crosswhite wrote:
On 5/23/11 9:20 AM, michael rice wrote:
What's the best way to end up with a list composed of only the Just values,
no Nothings?




Try catMaybes in Data.Maybe.

Cheers,
Greg


GO TEAM HASKELL!!!

Cheers,
Greg
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