You can do:

$self->$handler(@arguments);

This will only work if the anonymous subroutine reference is assigned to  $handle and not the name of the lexical as in the OP.

In reply to Re^2: Invoking a string reference to a anonymous subroutine by AnomalousMonk
in thread Invoking a string reference to a anonymous subroutine by Superfox il Volpone

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