Brent 'Dax' Royal-Gordon writes:
> As you mentioned below, this causes problems if the code in question has
> side effects. But there are other cases where it messes up:
>
> sub even($_ = $CALLER::_) { ! $_ % 2 }
> my @e=grep { even() } 1..1024;
> #Okay, we don't need &even anymore..
Luke Palmer <[EMAIL PROTECTED]> writes:
> Well, perhaps not. Theoretically, at this point, $file has been
> read completely. It's just that it's lying and it hasn't really.
> But if you try to read again, it should resync and things should
> work properly.
That's all well and good if the fileha
Luke Palmer <[EMAIL PROTECTED]> writes:
> Oh no! Someone doesn't understand continuations! How could this
> happen?! :-)
Yes, well, I've only just started reading up on them recently...
> A continuation doesn't save data. It's just a closure that closes
> over the execution stack
Ah. That
- Original Message -
From: Dan Hursh <[EMAIL PROTECTED]>
Date: Friday, July 2, 2004 10:32 pm
Subject: Re: push with lazy lists
>> Joseph Ryan wrote:
> I guess that's true with X..Y lazy lists. I
thought there were
> other
> ways to make lazy lists, like giving it a closure
that gets cal
Jonadab the Unsightly One skribis 2004-07-03 13:33 (-0400):
> > e.g., is this legal?
> > sub infix:before ( $before, $after ){ ... }
> I should HOPE it would be legal to define infix:before.
There already are infix:x and infix:xx. If Perl 6 will let us define our
own operators just like built in o
Jonathan Lang <[EMAIL PROTECTED]> writes:
> For the record, I was mentally parsing this example as:
>
> pray_to $_;
> sacrifice <$virgin> for @evil_gods;
So was I, FWIW.
> The precedence of C isn't very intuitive to me.
Is that an argument for changing its precedence, or for leaving it o
David Storrs <[EMAIL PROTECTED]> writes:
> e.g., is this legal?
>
> sub infix:before ( $before, $after ){ ... }
I should HOPE it would be legal to define infix:before. Some of us
don't want to use untypeable characters every time we want to define
an operator that doesn't conflict with the core
Jonathan Lang <[EMAIL PROTECTED]> writes:
> Strictly from a grammatical perspective, I'd be much more comfortable with
> C<, then> instead of C as the perl equivelent of the C-style comma:
> have the "then" keyword change the preceeding comma from a list
> constructor to an expression combiner. F
Brent 'Dax' Royal-Gordon <[EMAIL PROTECTED]> writes:
> Actually, I think you're underestimating the little guys. After
> all, if they rolled back *all* of your changes, all they could do
> was repeatedly execute the same code!
Except that you can pass the continuation some arguments, possibly
in
Juerd <[EMAIL PROTECTED]> writes:
> I thought temp replaced local.
temp is dynamic scoping, the same thing as Perl5's local.
Hypotheticals are the ones that turn permanent if everything succeeds
according to plan but revert to the old value if stuff fails -- a
rollback mechanism, basically. I
Alexey Trofimenko wrote:
apply to it perl6 GC, which wouldn't always free memory immediately,
so it could eat 3_000_000 or more.
Parrot runs a DOD (Dead Object Detection) sweep whenever its memory
pools fill up, so this is probably a far smaller problem than you
suggest. (If there still isn't
Aaron Sherman wrote:
On Tue, 2004-06-29 at 11:34, Austin Hastings wrote:
(2) Perl6 should equitably support all its target
locales; (3) we should set out to make sure the performance is damn
fast no matter what locale we're using.
Well, that's a nice theory, but you can prove that low-level encodin
Joseph Ryan wrote:
The way I understand the magicness of lazy lists, I'd expect:
@x = 3..Inf;
say pop @x; # prints Inf
@x = 3..Inf;
push @x, 6; # an array with the first part being
# lazy, and then the element 6
say pop @x; # prints 6
say pop @x; # prints Inf
say pop @x; # prints Inf
Alexey Trofimenko writes:
> what I want to ask - would map and grep return an iterators too?.. if
> it's true, then previous construct becames very memory efficient, like if
> I write
> loop ( ... ; ... ; ... ) {...; next if ...; ...; say}
Yep, they will.
> hm.. It could be a little too fun
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