Hello Friends, I am wondering there is any similar concept for Ruby to
store a data's reference like Perl, or something like the pointer in
C/C++?

In Perl:
%coins = ( "Quarter" , 25,
           "Dime" ,    10,
           "Nickel",   5 );

my $coin_ref = \%coins; ## the reference to a hash

or I can simply do it:
$coins = { "Quarter" , 25,
           "Dime" ,    10,
           "Nickel",   5 };

I would appreciate if you can show me some examples.

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