Re: RFC 265 (v1) Interface polymorphism considered lovely
[email protected] (Damian Conway) Mon, 25 Sep 2000 06:26:10 +1100 (EST)
| Newsgroups | perl.perl6.language.objects |
|---|---|
| Message-ID | <[email protected]> |
> > * There's also no need to distinguish C<use base> and C<use interface>, > > since you've previously distinguished them by keyword. I would > > suggest that either C<use base> be used for both types of > > inheritance, or else the definition of an interface specification > > just be a regular C<package>. > > I dunno. I like the Javaesque distinction between a class *being* a > Dog and *implementing* Fetcher. Sure it's syntactic sugar, but I think > it's good sugar. Okay. I don't have a problem with a small amount of "belt-and-braces". > > * The C<use deferred> pragma seems unnecessary, as it is sufficient > > to *declare* the autoloaded method, rather than *define* it. > > That is: > > > > use deferred 'rollover'; > > > > is really just: > > > > sub rollover; > > > > BTW, this trick already works in Perl 5 (for making C<can> > > acknowledge autoloaded methods). > > Hmm... point taken. Though I do think C<use deferred> could be looked > upon as a vaguely nice bit of syntactic sugar... Too much sugar rots your teeth. ;-) I think C<use deferred> falls into that category, given that there's already an easier way to do it in the existing language. Damian