My first instinct is to do something like this: 

package MyAPI::Version::One;
use Moose::Role;

require 'foo';
require 'bar';

package MyAPI::Latest;
use Moose::Role;

with 'MyAPI::Version::One';

[download]
This would mean that if a 3rd party dev wanted to support v1 then would make sure to do the MyAPI::Version::One role, and if they wanted to make the commitment to always stay on the bleeding edge they could do the MyAPI::Latest role.

Then when you update to a new version you simply do this: 

package MyAPI::Version::Two;
use Moose::Role;
with 'MyAPI::Version::One'; # assuming back-compat
require 'baz';

package MyAPI::Latest;
use Moose::Role;

with 'MyAPI::Version::Two';

[download]
And then all 3rd party devs who were doing the MyAPI::Latest would have to be sure to update but those who did the MyAPI::Version::One role would still be safe and could upgrade to MyAPI::Version::Two when they are able to.

This should still be workable when you break back-compat too since there is no strict requirement that the MyAPI::Version::Two does the MyAPI::Version::One role.

-stvn

In reply to Re: Evolving roles and 3rd party modules by stvn
in thread Evolving roles and 3rd party modules by dgaramond2

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