UNIVERSAL::can may be what you're looking for: 
package A;
sub f { print "I'm f\n" }
package B;
@ISA=qw(A);
package main;

my $f = B->can('f');
$f->();
$f = A->can('f');
$f->();

[download]
In both cases $f holds a reference to A::f

Dave.

In reply to Re: reference to a subroutine inside a package by dave_the_m
in thread reference to a subroutine inside a package by imcsk8

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