Move the methods into a base class and keep the functions in a module that uses Exporter and @EXPORT_OK. Then, any package that needs a function from the module can import it at will, separate from the methods in the base class.

Now, something else you need to be aware of - if you have a base class, every "sub" in that base class can be treated as a method, regardless of whether it thinks of itself as a method or not. For example: 

package Functions;

use base 'Exporter';

our @EXPORT_OK = qw( func1 );

sub func1 { ... }

package Foo;

use Functions qw( func1 );

sub new { bless {}, shift }

# This is a method
sub meth1 {
    my $self = shift;
    ...
}

package Bar;

use base 'Foo';

package main;

my $bar = Bar->new;

$bar->func1();

[download]
That will call func1() living in the Foo package with the first argument being $bar. Try it out if you don't believe me.
My criteria for good software:
  1. Does it work?
  2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

In reply to Re: Arcitectural considerations with modules by dragonchild
in thread Arcitectural considerations with modules by Anonymous Monk

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