X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FParameterized.pm;h=5460166ecf915e653285575eaefb232d085b0f13;hb=ffa3d7bf45b7786ad1057cc38cda0e04ba9ab849;hp=7bbc54a8a6bd98e7713b5b0a168dee5e60ff5664;hpb=7e4e1ad46fd4c72845b18df57a80cdc03b47c4c4;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Parameterized.pm b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
index 7bbc54a..5460166 100644
--- a/lib/Moose/Meta/TypeConstraint/Parameterized.pm
+++ b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
@@ -5,10 +5,10 @@ use warnings;
 use metaclass;
 
 use Scalar::Util 'blessed';
-use Carp         'confess';
 use Moose::Util::TypeConstraints;
 
-our $VERSION   = '0.02';
+our $VERSION   = '0.57';
+$VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 use base 'Moose::Meta::TypeConstraint';
@@ -18,16 +18,30 @@ __PACKAGE__->meta->add_attribute('type_parameter' => (
     predicate => 'has_type_parameter',
 ));
 
+sub equals {
+    my ( $self, $type_or_name ) = @_;
+
+    my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+
+    return unless $other->isa(__PACKAGE__);
+    
+    return (
+        $self->type_parameter->equals( $other->type_parameter )
+            and
+        $self->parent->equals( $other->parent )
+    );
+}
+
 sub compile_type_constraint {
     my $self = shift;
     
     ($self->has_type_parameter)
-        || confess "You cannot create a Higher Order type without a type parameter";
+        || Moose::throw_error("You cannot create a Higher Order type without a type parameter");
         
     my $type_parameter = $self->type_parameter;
     
     (blessed $type_parameter && $type_parameter->isa('Moose::Meta::TypeConstraint'))
-        || confess "The type parameter must be a Moose meta type";
+        || Moose::throw_error("The type parameter must be a Moose meta type");
 
     foreach my $type (Moose::Util::TypeConstraints::get_all_parameterizable_types()) {
         if (my $constraint = $type->generate_constraint_for($self)) {
@@ -38,8 +52,8 @@ sub compile_type_constraint {
     
     # if we get here, then we couldn't 
     # find a way to parameterize this type
-    confess "The " . $self->name . " constraint cannot be used, because " 
-          . $self->parent->name . " doesn't subtype or coerce from a parameterizable type.";
+    Moose::throw_error("The " . $self->name . " constraint cannot be used, because " 
+          . $self->parent->name . " doesn't subtype or coerce from a parameterizable type.");
 }
 
 1;
@@ -65,6 +79,8 @@ Moose::Meta::TypeConstraint::Parameterized - Higher Order type constraints for M
 
 =item B<meta>
 
+=item B<equals>
+
 =back
 
 =head1 BUGS