On Thu, Nov 13, 2003 at 02:37:03PM -0500, Richard Morse wrote:
> I'm thinking that it might make more sense (given the flow of the
> program at this point which is a large variety of 'next unless'
> statements) to write:
> next unless my $val = $hash{$val};
>
> However, I recall at a previous Boston.pm meeting there being a
> discussion about issues with 'my' in conditional clauses. I don't,
> however, remember the details. Is this usage of 'my' the one that
> causes the problem?
No, that usage should be fine. The problematic usage is when 'my' is in
the modified statement rather than the conditional, e.g.
my $val = $hash{$val} if $whatever;
If $whatever is false, then $val will retain its value from before instead
of being reinitialized.
Ronald
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