"Helmut Jarausch" <jarausch at igpm.rwth-aachen.de> writes: > Given a program with assignments like > a=b+a > one can say either > monitor 'a' on the left > or > monitor 'a' on the right. not directly (afaik), but you can define a class so that when a is an instance of that class, the class implements this behaviour. andrew -- http://www.acooke.org