scalaz/scalaz — pull request #126 by mpilquist (2012-08-07 02:47:12+00:00)
Title: Miscellaneous constructors for Either/EitherT

* Conversion from scala.Either[A, B] => A \/ B (and EitherT equivalent)
* Conversion from Option[A] to A \/ B or B \/ A (with syntax support via toLeft/toRight)
* Either.fromTryCatch (either equivalent of Validation.fromTryCatch)