rakudo/rakudo — pull request #60 by timo (2012-03-29 02:42:22+00:00)
Title: new exceptions: X::Does::TypeObject, X::Bind::ZenSlice and X::Role::Initialization

for the error messages

* "Cannot use 'does' operator with a type object"
* "Cannot bind to a zen array slice"
* "Can only supply an initialization value for a role if it has a single public attribute"