X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FClass.pm;h=ddb3500b0ca98a3f0da1a30da816c09c226f2c05;hb=97534a9b1e9ea766e7e2c354d1cb16382e16856d;hp=d232b3aba182b7591d712ea68324c09cf95ccf91;hpb=f4cbcca146f48c91c74ae618f71895376fd338a4;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Class.pm b/lib/Moose/Meta/TypeConstraint/Class.pm
index d232b3a..ddb3500 100644
--- a/lib/Moose/Meta/TypeConstraint/Class.pm
+++ b/lib/Moose/Meta/TypeConstraint/Class.pm
@@ -7,7 +7,7 @@ use metaclass;
 use Scalar::Util 'blessed';
 use Moose::Util::TypeConstraints ();
 
-our $VERSION   = '0.55_03';
+our $VERSION   = '0.60';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -61,6 +61,7 @@ sub equals {
 
     my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
 
+    return unless defined $other;
     return unless $other->isa(__PACKAGE__);
 
     return $self->class eq $other->class;
@@ -83,6 +84,8 @@ sub is_subtype_of {
     }
 
     my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name_or_class);
+    
+    return unless defined $type;
 
     if ( $type->isa(__PACKAGE__) ) {
         # if $type_or_name_or_class isn't a class, it might be the TC name of another ::Class type
@@ -94,6 +97,15 @@ sub is_subtype_of {
     }
 }
 
+# This is a bit counter-intuitive, but a child type of a Class type
+# constraint is not itself a Class type constraint (it has no class
+# attribute). This whole create_child_type thing needs some changing
+# though, probably making MMC->new a factory or something.
+sub create_child_type {
+    my ($self, %opts) = @_;
+    return Moose::Meta::TypeConstraint->new(%opts, parent => $self);
+}
+
 1;
 
 __END__
@@ -128,6 +140,8 @@ Return all the parent types, corresponding to the parent classes.
 
 =item B<meta>
 
+=item B<create_child_type>
+
 =back
 
 =head1 BUGS