if there are no calls to it
which is why when you use the delete $INC{...}/require technique you generally either only update a set of known volotile modules, or you use a registration processes with a known entry point in the modules.
I use the registration technique to add new task handlers to a distributed task handling system that provides automated build and testing services. It allows me to add or correct task handlers without restarting (currently) six systems.
True laziness is hard work
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