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Postings from June 2008
2008/5/24 Bram via RT <perlbug-followup@perl.org>: > lc, uc, lcfirst and ucfirst already warn in blead. > > ./perl -wle 'my $v;$_ = lc $v;$_ = uc $v;$_ = lcfirst $v;$_ = ucfirst > $v;' > Use of uninitialized value $v in lc at -e line 1. > Use of uninitialized value $v in uc at -e line 1. > Use of uninitialized value $v in lcfirst at -e line 1. > Use of uninitialized value $v in ucfirst at -e line 1. > > > A patch that adds a warnings for reverse: > > ./perl -wle 'my $r1;$_=undef;$_=reverse;$_=reverse $r1;' > Use of uninitialized value in reverse at -e line 1. > Use of uninitialized value $r1 in reverse at -e line 1 > > > Also in the patch is a test to see that reverse "foo", undef, "bar" warns: > (this warning was already there, becaues it uses do_join which warns on > undef, but it wasn't being tested (AFAICT)) > > ./perl -wle 'my $r1;$_=reverse "foo", $r1, "bar";' > Use of uninitialized value $r1 in reverse at -e line 1 > > > Doesn't warn on: > ./perl -wle 'my $r1;my @a=reverse "foo", $r1, "bar";' > > (which is what I expect) Thanks, applied as #33981.Thread Previous