Re: size of an array ref

# array:
$ perl -wE 'my @a = qw/a b c/; say scalar @a'
3
# array ref:
$ perl -wE 'my $a = [qw/a b c/]; say scalar @$a'
3
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Comment on Re: size of an array ref Download Code

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Re^2: size of an array ref by fionbarr (Friar) on Feb 24, 2012 at 13:00 UTC
that makes sense...I might have a reference to a reference to an array...I've tried a lot of permutations and not gotten '3'...is it possible to get the size of a ref to a ref?	[reply]
Re^3: size of an array ref by JavaFan (Canon) on Feb 24, 2012 at 13:24 UTC
`@array; @$arrayref; @$$arrayrefref; @$$$arrayrefrefref; @$$$$arrayrefrefrefref; @$$$$$arrayrefrefrefrefref; @$$$$$$arrayrefrefrefrefrefref; ... etc ...` [download]	[reply] [d/l]
Re^3: size of an array ref by brx (Pilgrim) on Feb 24, 2012 at 21:12 UTC
`$a= [1..10];$b=\$a;$c=\$b; $d=\$c;$e=\$d; $e=$$e while (ref($e) eq "REF"); print scalar @$e;` [download]	[reply] [d/l]