The brackets associated with the & sigil are curlies not parentheses.
Ah, right, that works, and here's the explanation from perlref:
Anywhere you'd put an identifier (or chain of identifiers) as part of a variable or subroutine name, you can replace the identifier with a BLOCK returning a reference of the correct type.

In reply to Re^4: Multi-dimensional constants (updated) by Ionic
in thread Multi-dimensional constants by Ionic

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