Hi!

Do you know how to create a reference to an element of an array or hash? For instance I have an array @a, and I like $a2r contains a reference to $a[2]. Anyway to do it in Perl?

Keep in mind this is not the case where $a[2] contain a reference and $a2r contains the same reference, but instead $a2r contain a reference to the scalar stored in $a[2].

Let me explain more using the pseudo code below, RefTo represent the mechanism in question:

my @a= (1, 2, 3, 4);

my $p= RefTo $a[2];

$$p= 9;

print join(",", @a) # should print 1,2,9,4

[download]

So, any idea wether there is such mechanism as RefTo in Perl?

-- 
S P Arif Sahari Wibowo
http://www.arifsaha.com/

In reply to a reference to an element of an array or hash: how to create? by arifsaha

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