[Zope3-Users] Re: zope.schema Question

[Philipp von Weitershausen]

El 7 Jul 2008, a las 12:06 , Tim Cook escribió:
> Am I correct in thinking that the above definition of
> Activity.description will constrain the possible types to the classes
> implementing IItemStructure or a subclass of it?

Yes, it constraints the value of the 'description' attribute to any  
object that provides IItemStructure.