X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FRole.pm;h=4730810f0c8e432814ad36e219f0e4891f8cbe3b;hb=aead17e74252e3884f9f8e39912ca98fdf4b4dd5;hp=8bc111f44772728718ae00fef717268beb070aeb;hpb=330dbb079ab3e4ff26fb694c232b9c86b2d19161;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Role.pm b/lib/Moose/Meta/TypeConstraint/Role.pm
index 8bc111f..4730810 100644
--- a/lib/Moose/Meta/TypeConstraint/Role.pm
+++ b/lib/Moose/Meta/TypeConstraint/Role.pm
@@ -7,7 +7,8 @@ use metaclass;
 use Scalar::Util 'blessed';
 use Moose::Util::TypeConstraints ();
 
-our $VERSION   = '0.55';
+our $VERSION   = '0.62';
+$VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Moose::Meta::TypeConstraint';
@@ -20,7 +21,7 @@ sub new {
     my ( $class, %args ) = @_;
 
     $args{parent} = Moose::Util::TypeConstraints::find_type_constraint('Role');
-    my $self      = $class->meta->new_object(%args);
+    my $self      = $class->_new(\%args);
 
     $self->_create_hand_optimized_type_constraint;
     $self->compile_type_constraint();
@@ -58,6 +59,7 @@ sub equals {
 
     my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
 
+    return unless defined $other;
     return unless $other->isa(__PACKAGE__);
 
     return $self->role eq $other->role;
@@ -81,6 +83,8 @@ sub is_subtype_of {
 
     my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name_or_role);
 
+    return unless defined $type;
+    
     if ( $type->isa(__PACKAGE__) ) {
         # if $type_or_name_or_role isn't a role, it might be the TC name of another ::Role type
         # or it could also just be a type object in this branch
@@ -91,6 +95,11 @@ sub is_subtype_of {
     }
 }
 
+sub create_child_type {
+    my ($self, @args) = @_;
+    return Moose::Meta::TypeConstraint->new(@args, parent => $self);
+}
+
 1;
 
 __END__
@@ -119,6 +128,8 @@ Moose::Meta::TypeConstraint::Role - Role/TypeConstraint parallel hierarchy
 
 =item B<is_subtype_of>
 
+=item B<create_child_type>
+
 =item B<parents>
 
 Return all the parent types, corresponding to the parent classes.