We use this pattern in Mondrian scripts, Glamour scripts, and in Moose scripts for navigating models.
However, we are most of the times doing it with other Symbol selectors. For example: - in Mondrian, we use moValue: - in Glamour, we use glamourValue: Using dedicated extensions enable us to control the kinds of semantics we want in the scripting. For example, the glamourValue: is different from moValue:. Cheers, Doru On 30 Oct 2010, at 22:56, Andres Valloud wrote: > Mariano, > > On 10/30/10 13:14 , Mariano Martinez Peck wrote: > >> 100% agree. It was just funny for me, how could I do that, just >> implementing Synbol >> value: >> Just something curious and funny. Not to really use it. > > I agree with this, polymorphism is awesome. For instance, something I did > with Assessments was to make objects polymorphic with classes. This device > allows Assessments to run SUnit tests without needing to touch any of the > test case classes (you can just create pseudo-classes that pretend to be the > classes you need but can't have). And you get to implement #new on the > instance side :). > > Andres. > -- www.tudorgirba.com "Be rather willing to give than demanding to get."
