Luke Palmer wrote:
>
> I'd like to go about implementing [Perl]?LazyArray and LazySequence
> pmcs, possibly with a TiedArray (and Infinity) in the interim. I have
> a few semantic questions, but first, here's what I have in mind:
>
> LazySequence: Manages individual lazy sequences like 1..Inf (or
> even 1..100_000)
> LazyArray: Aggregates multiple lazy things together, along
> with an "exceptions list" for things like:
>
> @a = 1..Inf;
> @a[6] = 42;
>
> First, do these work well as pmcs, or should it be integrated with
> PerlArray (I hope not)? Should Infinity be a pmc?
>
> Any ideas on how these things should be set up at the assembly level?
> I was thinking either:
>
> $P0 = new LazySequence
> $P1 = new Infinity
> $P0["from"] = 0
> $P0["to"] = $P1
>
> or
>
> $P0 = new LazySequence
> $P1 = new Infinity
> find_method P0, "set_range"
> .arg 0 # Assuming imcc knows the new conventions
> .arg $P1
> invokecc
>
> Finally, what should things like:
>
> set $I0, $P0 # $P0 contains 1..Inf
>
> Because integer registers can't well store infinity...
This would probably have the same effect as:
$P1 = new Infinity
set $I0, $P1
Now, what *that* would do, I dunno... :)
Actually, I sortof do -- it should throw an exception of some sort.
--
$a=24;split//,240513;s/\B/ => /for@@=qw(ac ab bc ba cb ca
);{push(@b,$a),($a-=6)^=1 for 2..$a/6x--$|;print "[EMAIL PROTECTED]
]\n";((6<=($a-=6))?$a+=$_[$a%6]-$a%6:($a=pop @b))&&redo;}
