Proposal: Adding Kleisli composition to Control.Monad

[Henning Thielemann]

On Mon, 13 Nov 2006, Malcolm Wallace wrote:

> dons at cse.unsw.edu.au (Donald Bruce Stewart) wrote:
> 
> > > Add Kleisli composition to Control.Monad.
> > > 
> > >     (>=>) :: (Monad m) => (a -> m b) -> (b -> m c) -> (a -> m c)
> > >     (<=<) :: (Monad m) => (b -> m c) -> (a -> m b) -> (a -> m c)
> > 
> > Does anyone have an opinion about these guys? :)
> 
> No.  :-)  I've never used them, nor wanted to, so I have no opinion.
> I can see the nice compositional pattern they embody though.

Strange, the first time, I used them, was processing HTML data parsed by
HaXML. :-)