Perlについての質問箱 29箱目

Perlについての質問箱 29箱目 at TECH

472:デフォルトの名無しさん
07/01/25 10:18:14
from>>469 to>>470

perldoc perlvar
$a
$b Special package variables when using sort(), see "sort" in perlfunc. Because of this specialness $a and $b don’t need to
be declared (using use vars, or our()) even when using the "strict ’vars’" pragma. Don’t lexicalize them with "my $a" or
"my $b" if you want to be able to use them in the sort() comparison block or function.

thx!

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