Any harm in this case with||= ? I need this to work on pre 5.10 perl.
No harm using 'or' instead of 'defined-or' in Perl 5 if the value is always a reference: references are never false values.

In reply to Re^2: Populating an undefined hashref in a sub by Anonymous Monk
in thread Populating an undefined hashref in a sub by NetWallah

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