in reply to Re^2: Add array ref to another array ref
in thread Add array ref to another array ref
When you see the square brackets [], that's an arrayref (a reference to an array). When you see braces {}, that's a hashref (a reference to a hash).
So the first VAR1 that you see is an arrayref with a single element, which is a hashref. The second VAR1 is just a hashref.
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