How to implement findM in Haskell?
Question
Is there existing implementation for the following function? I couldn't find it on hoogle
findM :: Monad m => (a -> m Bool) -> [a] -> m (Maybe a)
1 answers
solution1
5 2017-08-23 05:23:49
Yes. From the package "extra", module Control.Monad.Extra
https://hackage.haskell.org/package/extra-1.6/docs/Control-Monad-Extra.html#v:findM
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