2 commits

Author	SHA1	Message	Date
Markus Schirp	40d5230c68	Introduce noop mutation guards and argument mutators ... * Sorry for not splitting up into smaller commit	2012-12-11 00:17:19 +01:00
Markus Schirp	de276327f5	Add support for mutating block arguments	2012-12-10 17:11:08 +01:00