in reply to how to find the module of a specific function?

In your example, login necessarily must be a method of the TeamForge6 object, defined somewhere in it or in its superclass(es), and you should be able to simply go to the appropriate .pm file to find it. If it is at-all difficult to do this reliably, then the design of the application's class structure should be reconsidered.
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Re^2: how to find the module of a specific function?
by Anonymous Monk on Oct 26, 2017 at 20:14 UTC
    In your example, login necessarily must be a method of the TeamForge6 object

    nope, TeamForge6->new can return whatever it wants

      One example of what anonymonk is getting at here (and yes, I've done this for legitimate purposes a few times that I can recall):

      use warnings; use strict; package Fraud; { sub new { return bless {}, shift; } sub login { print "HA-HA, I'm not who you think I am!\n"; } } package Trust; { sub new { return Fraud->new; } sub login { # recently was watching "That 70's Show" print "no login for you, dumbass\n"; } } package main; { my $obj = Trust->new; $obj->login; }