scalaz/scalaz — pull request #507 by gpampara (2013-09-02 05:52:11+00:00)
Title: Correct issue with ==>>#union. Fixes #501

Union was incorrectly using the wrong bounds as it descended down the internal tree. My mistake.

Thanks to S11001001 for reporting, and to @xuwei-k for pointing out the error.

Signed-off-by: Gary Pamparà