June 2002
Beginner
759 pages
80h 42m
English
isweak
isweak expr
Returns true if expr is a scalar,
which is a weak reference:
my $weak_ref = \$boo_hoo; my $i_am_weak = isweak($weak_ref); # false weaken($weak_ref); $i_am_weak = isweak($weak_ref); # true