Readme for either-3.0.2
either
This provides an either monad transformer that unlike ErrorT is unencumbered by a constraint on its left hand argument. This is needed for a number of applications of this monad transformer, notably in recursion schemes.
Contact Information
Contributions and bug reports are welcome!
Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.
-Edward Kmett