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jon.fairbairn@cl.cam.ac.uk authored
Straightforward MonadPlus version of List.filter. I would prefer to call it filter, but the current naming scheme for Control.Monad implies mfilter.
41fe4e3e
Straightforward MonadPlus version of List.filter. I would prefer to call it filter, but the current naming scheme for Control.Monad implies mfilter.