[Haskell-cafe] Is this haskelly enough?

[Miguel Mitrofanov]

DFP> Yes, but that generality is entirely wasted here and thus an
DFP> obscuring element. There is no way that this function can be
DFP> generalized to work with other monads.

As for me, concatMap (and concat.map as well) seems much more
obscuring. (>>=) is so general, that I use it almost everywhere, but
I have to dig into my memory to remember concatMap (or is it
mapConcat?)