in reply to
Share data among different packages
Use a special global, called a singleton, its what everyone does, for example, see
Why Log::Log4perl->get_logger and not Log::Log4perl->new?
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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