gfx/p5-Mouse — pull request #3 by schwern (2013-01-11 07:46:18+00:00)
Title: Add maybe_type() from Moose::Util::TypeConstraints

This passes Moose-t-failing/040_type_constraints/021_maybe_type_constraint.t
up to line 107 where check with no args fails.

Fixing check requires messing with XS beyond my ability, and I'm not sure how to integrate a partial passing test. So I'm going to leave that up to somebody else.