"Miko O'Sullivan" <[EMAIL PROTECTED]> writes:
> From: "Damian Conway" <[EMAIL PROTECTED]>
>> while (my $res = $search->getnext) { ...}
>>
>> has a valid meaning in Perl 6. In fact, it's meaning in Perl 6 is far more
>> reasonable than in Perl 5.
>
> I don't think the new meaning makes sense at all. Essentially it's saying
> "the statement gets run many times but the variable only gets declared
> once". It makes sense to declare a variable many times when it gets a
> fresh, new block for each declaration, like when it's inside a loop, but to
> use it in a statement that is run many times but declares the var only once
> seems like it ought to throw a warning about declaring the same variable in
> the same scope multiple times.
Yeah, but declaration happens at compile time, not runtime so there's
no problem.
Minor syntax quibble, it should in fact be:
while (my $res = $search.getnext) { ... }
Or, for shiny collection modification fun:
while (my $res := $search.getnext) { ... }
--
Piers
"It is a truth universally acknowledged that a language in
possession of a rich syntax must be in need of a rewrite."
-- Jane Austen?
