[Pdx-pm] Poll: traits
Ovid
publiustemp-pdxpm at yahoo.com
Sat Nov 19 12:50:02 PST 2005
--- Marvin Humphrey <marvin at rectangular.com> wrote:
> That sounds like a Java interface. Ovid indicated that you could
> define the default behavior of a Trait -- unlike interfaces. Is
> defining a Trait's default behavior mandatory or optional?
Currently defining the trait's behavior is mandatory. If you don't
like the behavior, exclude the method.
Perl 6's "Roles" will allow you to provide a stub method and then the
role will behave like an interface. I'm not sure if I will be adding
support for this as the "@REQUIRES" array (described in other emails)
takes care of this need.
Cheers,
Ovid
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