On Oct 13, 2009, at 2:06 PM, Shawn M Moore wrote:
> Perhaps mixin is the wrong metaphor for alias. I think delegation is a
> better metaphor, since we really need the original class passed to the
> aliased templates. See also
> http://search.cpan.org/~drolsky/Moose-0.92/lib/Moose/Manual/Delegation.pod
> for a definition of delegation and why it's good.
Yes, delegation definitely better describes what it's doing, vis-a-vis
dispatch. I was using the mixin metaphor (and the `mix` method) based
on what I'd found in the docs so far.
> There's a place for the mixin metaphor, maybe that can be "import", or
> something new.
Well, `import` does something else in Perl. And it's not really an
import, either (which would be more like a mixin).
Honestly, though, I think `mix` is still the best work to use for the
feature because I can't think of a good way to make it happen with a
delegation metaphor. Delegation usually identifies all of the methods
to dispatch to when you specify it, as in:
use Class::Delegator
send => [qw(play pause rewind fast_forward shuffle)],
to => 'ipod';
Which is not exactly how the TD feature works. What we're doing is
mixing templates from one class into another class. The fact that the
first argument is the mixed-in class rather than the target class is
something that's easy to document and understandable.
So if it's okay with you and everyone else, I think I'd like to stick
with `mix`. Unless you all prefer the original `alias` method. I'd be
fine with that. Then it'd just be `import_templates` that'd be
deprecated.
Best,
David
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