X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint.pm;h=cc12df9971bb886cbf93b5aedd04b93ea2328639;hb=c87f0c7f501b1487299a59cb1dbe5297c6462537;hp=10fddf7c7eee3c16a017073cb0c94edf993bb65e;hpb=d9e17f8049b051a866c22a3c8953f1a2aff7fd91;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint.pm b/lib/Moose/Meta/TypeConstraint.pm
index 10fddf7..cc12df9 100644
--- a/lib/Moose/Meta/TypeConstraint.pm
+++ b/lib/Moose/Meta/TypeConstraint.pm
@@ -10,7 +10,7 @@ use overload '""'     => sub { shift->name },   # stringify to tc name
 
 use Sub::Name    'subname';
 use Carp         'confess';
-use Scalar::Util 'blessed';
+use Scalar::Util qw(blessed refaddr);
 
 our $VERSION   = '0.12';
 our $AUTHORITY = 'cpan:STEVAN';
@@ -39,6 +39,11 @@ __PACKAGE__->meta->add_attribute('hand_optimized_type_constraint' => (
     predicate => 'has_hand_optimized_type_constraint',
 ));
 
+sub parents {
+    my $self;
+    $self->parent;
+}
+
 # private accessors
 
 __PACKAGE__->meta->add_attribute('compiled_type_constraint' => (
@@ -86,9 +91,24 @@ sub get_message {
 sub equals {
     my ( $self, $type_or_name ) = @_;
 
-    my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+    my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+
+    return 1 if refaddr($self) == refaddr($other);
+
+    if ( $self->has_hand_optimized_type_constraint and $other->has_hand_optimized_type_constraint ) {
+        return 1 if $self->hand_optimized_type_constraint == $other->hand_optimized_type_constraint;
+    }
+
+    return unless $self->constraint == $other->constraint;
+
+    if ( $self->has_parent ) {
+        return unless $other->has_parent;
+        return unless $self->parent->equals( $other->parent );
+    } else {
+        return if $other->has_parent;
+    }
 
-    $self->name eq $type->name;
+    return 1;
 }
 
 sub is_a_type_of {