atl - Arrow Transformer Library

atl is a Haskell library that implements arrow transformers based on the popular mtl library.

Features

atl features 7 arrow transformers which you might recognize from mtl:

... and their pure equivalents (arrows transformers on (->)).

atl also ports comonads from the comonad package:

You can install atl either by cloning the repository

$ git clone http://github.com/felko/atl.git
$ cd atl
$ cabal install

... or by using Hackage:

$ cabal install atl

atl is under the BSD3 licence.