[Haskell-cafe] ANN: monad-bool 0.1

[John Wiegley]

>>>>> John Wiegley <johnw at fpcomplete.com> writes:

> And EitherT can already do that, it just lacks a convenience function to
> make it easier (i.e, not having to write lots of nested if statements).

Never mind, when/unless + left work just fine for this.

-- 
John Wiegley
FP Complete                         Haskell tools, training and consulting
http://fpcomplete.com               johnw on #haskell/irc.freenode.net