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?
Alternatively,
[ x | Just x <- originals ]
It also occurs to me that perhaps you still want the Just constructors.
[ Just x | Just x <- originals ]
[ x | x@(Just _) <- originals ]
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