mix-ins. Roles provide a method of code re-use which is orthogonal to
subclassing.
-=item L<Moose::Cookbook::Roles::Recipe2> - Advanced Role Composition - method exclusion and aliasing
+=item L<Moose::Cookbook::Roles::Restartable_AdvancedComposition>
Sometimes you just want to include part of a role in your
class. Sometimes you want the whole role but one of its methods