Re: Proposal: Add concatMapM function (#2042)

Twan van Laarhoven wrote:

Hello library people,

I have noticed that many projects include a 'concatMapM' function:

concatMapM :: (Monad m) => (a -> m [b]) -> [a] -> m [b]

I think this is useful in general, so let's add it to Control.Monad.

Me too. (therefore I think it should be added.) ~Isaac