Perl will use scalar context when it expects a scalar. @ary in scalar context is the number of elements so $#ary and @ary-1 are the same. This is perhaps a little more elegant. 

for my $i (0..@{$object_ref->{array_ref}}-1) {
     # $i got the index
}

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In reply to Re: A question of perlish elegance on array loop by tachyon-II
in thread A question of perlish elegance on array loop by ait

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