Please don't bring this up again without updating the post to bring it up to date.

Much of that nodes contents are no longer true. It also way over emphasises the downsides of iThreads.

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

use threads::shared;
my $var :shared;
[download]

use threads;
use threads::shared;

my %shash;
my @choices;
my $x;

share $shash{'go'};
share @choices;
share $x;

$shash{'go'} = 0;
@choices = (  );
$x = 1;
[download]

Another tip is the main thread will not automatically read the shared variable (like thru a reference). You may need to actively read it in the main thread.