but bbb->PUNCT­UATION doesn't exist

Did you try it? 

package aaa;
use constant HELLO=> 'world';
use constant PUNCTUATION=> '!';

package bbb;
our @ISA= qw( aaa );
use constant HELLO=> 'universe';

package main;

print "\n Hello ", aaa->HELLO(), aaa->PUNCTUATION();
print "\n Hello ", bbb->HELLO(), bbb->PUNCTUATION();

[download]

produces: 

 Hello world!
 Hello universe!

[download]

- tye        

In reply to Re^5: OOP - Constant Vs. Subroutine (super constant!) by tye
in thread OOP - Constant Vs. Subroutine by 2xlp

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