in reply to learning subroutine attributes
Your code is in the wrong order. You try to define the subroutine before you've defined the FETCH_CODE_ATTRIBUTES function. Therefore when Perl reaches the definition for 'abc', your attribute isn't defined.
Try moving the definition of 'abc' to after the attribute functions.
"The first rule of Perl club is you do not talk about
Perl club."
-- Chip Salzenberg
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