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Postings from May 2012
On 25 May 2012 07:58, Tom Christiansen <tchrist@perl.com> wrote: > "Brian Fraser via RT" <perlbug-followup@perl.org> > wrote on Thu, 24 May 2012 20:13:28 PDT: > >> perlop as of 5.16.0 still has the original line. I personally think the >> clarification is useful (some weeks back I was surprised by 'my $x; $x >> += 1;' not producing warnings), but I don't have a commit bit. >> Linda, would you mind submitting a patch for this? It'll help the odds >> of this being applied, I think. > > The thinking behind all this is that normal initialization of > an undeffed variable shouldn't generate warnings. The four > operators that are considered "normal" ways of initializing > undeffed variables are =, .=, +=, and ++. I seem to recall the exception applies to more cases than that. Yves -- perl -Mre=debug -e "/just|another|perl|hacker/"Thread Previous | Thread Next