in reply to
Autoboxing by subclassing CORE
What version of Perl is needed to make it run? I am getting
Can't locate object method "substr" via package "String" at - line 20.
I'm using 5.16. perl5160delta notes various improvements to the CORE and CORE::GLOBAL namespaces. Perhaps in earlier Perls CORE::substr doesn't work, but some other interesting CORE functions are likely to work.
I guess so
I guess not
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