basvandijk/monad-control — pull request #15 by mikesteele81 (2013-09-06 18:38:57+00:00)
Title: Add support for Edward Kmett's either package.

I would like to use the monad-control library with Edward Kmett's either package. This pull request is in support of that goal.

I made a corresponding pull request to transformers-base which these additions rely on.