After running that line through B::Deparse:

$idx{$val} ||= push(@num, $val);

[download]

The 1 && part is being optimized out of the statement.

Note, too, that the exact operator precedance in Perl5 is poorly defined, and there are many edge cases that don't work out quite as you'd expect.

----
: () { :|:& };:

Note: All code is untested, unless otherwise stated

In reply to Re: Short Circuit Operator and Hash Assignment by hardburn
in thread Short Circuit Operator and Hash Assignment by periapt

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