use correct metaclass when applying roles to instances

Instead of always applying the role with Moose::Meta::Object,
determine the object's metaclass and use that to apply the role.  This
makes it possible to apply roles to instances of classes that have a
custom metaclass.

diff --git a/lib/Moose/Meta/Role/Application/ToInstance.pm b/lib/Moose/Meta/Role/Application/ToInstance.pm
index f0ed1a7..fe23910 100644 (file)
--- a/lib/Moose/Meta/Role/Application/ToInstance.pm
+++ b/lib/Moose/Meta/Role/Application/ToInstance.pm
@@ -29,7 +29,8 @@ sub apply {
         $class = $ANON_CLASSES{$anon_role_key};
     }
     else {
-        $class = Moose::Meta::Class->create_anon_class(
+        my $obj_meta = eval { $object->meta } || 'Moose::Meta::Class';
+        $class = $obj_meta->create_anon_class(
             superclasses => [ blessed($object) ]
         );
         $ANON_CLASSES{$anon_role_key} = $class;