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Re^5: If you believe in Lists in Scalar Context, Clap your Hands

by chromatic (Archbishop)
on Oct 24, 2008 at 17:31 UTC ( #719393=note: print w/replies, xml ) Need Help??


in reply to Re^4: If you believe in Lists in Scalar Context, Clap your Hands
in thread If you believe in Lists in Scalar Context, Clap your Hands

Sure, but you can also argue that 1, 2, 3, isn't a list of values but a list of expressions. Is this a list:

my $x = ($y = 1), ($z = 2);

How about this?

s{\\}{\\\\}g, print

Or this?

foo => scalar param( 'foo' )

It's difficult to tell without seeing the context... which makes me wonder if lists do exist, or if we should talk about the value of expressions instead.

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[ambrus]: Corion: what I don't understand is, if you make a one-shot AnyEvent timer with short timeout, does this code guarantee that the Prima timer can't queue two timeout events before invoking any of them?
[ambrus]: Because that could break AnyEvent code, which is why I added a guard.
[ambrus]: (It might be easier to use the callback scalar as a guard, as in $c and &$c(); $c = ();)
[Corion]: ambrus: Hurr - yes, that might happen, as Prima will queue lots of stuff (Well, Windows will)
[Corion]: But I'm really amazed that it just took this little code (plus the idle handler I have in mind and something else dk suggested)
[Corion]: ambrus: I wrote the handler so that it stops the timer if it's supposed to be a one-shot
[Discipulus]: are you using Prima Corion? good morning Corion and ambrus, btw

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