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To: William Coleda <w...@coleda.com>
CC: Perl 6 Internals <perl6-intern...@perl.org>
Subject: Re: compiler-faq
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From: br...@brentdax.com (Brent 'Dax' Royal-Gordon)

William Coleda wrote:
> =head2 How do I generate a sub call with a variable-length parameter 
> list in PIR?
> 
> This is currently not trivial. 
...
> =head2 How do I retrieve the contents of a variable-length parameter 
> list being passed to me?
> 
> The easiest way to do this is to use the C<foldup> opcode to take a 
> variable
> number of PMC arguments and wrap them in an C<Array> PMC.

I may just be an idiot, but why can't someone just write C<flattendown> 
(or somesuch) as the complement of C<foldup>?

-- 
Brent "Dax" Royal-Gordon <br...@brentdax.com>
Perl and Parrot hacker

Oceania has always been at war with Eastasia.