On Fri Jul 24 02:41:50 2009, masak wrote:
> <masak> rakudo: sub foo(:$bar) { say $bar }; class A { has $.bar;
> method baz() { foo(:$.bar) } }; A.new(:bar<OH HAI>).baz
> <p6eval> rakudo b19862: OUTPUT«Symbol '$1bar' not predeclared in baz
> [...]
> <masak> :)
> * masak submits rakudobug
> <masak> now, are my expectations right in this case? could the above
> code print "OH HAI"?
> <Matt-W> masak: I don't know if your expectations are correct
> <Matt-W> Is :$.bar supposed to be like :bar($.bar)
> <masak> aye.
> <masak> that was my expectation.
> <moritz_> I don't think so
> <Matt-W> Because I wouldn't expect so without reading it somewhere
> <moritz_> because $.bar is not parsed as a variable, but as a method
> call
> <masak> moritz_: does that matter?
> <moritz_> it does matter, Perl 6 is all about syntax
> <masak> and what about :$!bar, then?
> <Matt-W> I would expect the same behaviour as $.bar
> <Matt-W> whatever that happens to be...
> <masak> rakudo: sub foo(:$bar) { say $bar }; class A { has $!bar;
> method baz() { foo(:$!bar) } }; A.new(:bar<OH HAI>).baz
> <p6eval> rakudo b19862: OUTPUT«Symbol '$1bar' not predeclared in baz
> [...]
> <masak> I still think Rakudo does the Wrong thing here.
> <moritz_> $1bar?
> <masak> there's no $1bar variable.
> <masak> right.
> <moritz_> that's a less-than-awesome error message
> <Matt-W> At the very least
> <moritz_> (hint, hint)
> <masak> yes, it alone merits a bug report.
> <masak> moritz_: I'm writing it now. you're in it! :)
> <Matt-W> It's either a Missing Feature or a less-than-awesome error
> message
> <Matt-W> the question is which
> <masak> Matt-W: exactly.
> <moritz_> well, the table in S06 for named arguments doesn't list it,
> I think
> <masak> I see no reason why it shouldn't work.
> <masak> same with $^placeholder variables, I'd say.
> <Matt-W> I see no reason why it should
> <moritz_> convenience would a good reason, no?
> <Matt-W> Mmm
> <masak> I think so.
> <Matt-W> I can seen an argument for it
> <masak> consistency, too.
> <moritz_> Perl 6 is all about convenience; otherwise we'd still be
> writing assembler code ;-)
> <masak> it's not like the syntax is being used for something else.
<Coke> rakudo: sub foo(:$bar) { say $bar }; class A { has $.bar; method
baz() { foo(:$.bar) } }; A.new(:bar<OH HAI>).baz
<p6eval> rakudo 2808a5: OUTPUT«OH HAI»
Assigning to moritz++ for spectesting.
--
Will "Coke" Coleda
