Dave Whipp writes: > [EMAIL PROTECTED] wrote: > > Dave Whipp writes: > > > > > > You can rename the types if you want; but properties are a better > > > representation of constraints than type names: more precise, and more > > > flexible. > > > > > > > but types *are* properties . > > > > arcadi > > True :-( > > But I think my examples somehow withstand that oversight. Parameterized > properties are more expressive than named types. > >
so , I understand, that the whole dilemma is weither to have this extended types as a module that can be or can be not loaded -- or -- to have them *in* core language ??? by the way is it possible to export some additional properties from library ( probably yes , since in perl5 it *is* posible . arcadi