X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FParameterized.pm;h=ac119ec86a44fcb2b4cb24e03e83945e2f4f2795;hb=f9b1ab71234d11a9121de96c574ca980bbfb3eaa;hp=3d7cbaef0717d40aaf473a31dd11bac10a2d4227;hpb=c245d69b0b9984226cc876c0578b18e89b5cbf23;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint/Parameterized.pm b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
index 3d7cbae..ac119ec 100644
--- a/lib/Moose/Meta/TypeConstraint/Parameterized.pm
+++ b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
@@ -6,8 +6,9 @@ use metaclass;
 
 use Scalar::Util 'blessed';
 use Moose::Util::TypeConstraints;
+use Moose::Meta::TypeConstraint::Parameterizable;
 
-our $VERSION   = '0.57';
+our $VERSION   = '0.74';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -35,13 +36,17 @@ sub equals {
 sub compile_type_constraint {
     my $self = shift;
     
-    ($self->has_type_parameter)
-        || Moose->throw_error("You cannot create a Higher Order type without a type parameter");
-        
+    unless ( $self->has_type_parameter ) {
+        require Moose;
+        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'))
-        || Moose->throw_error("The type parameter must be a Moose meta type");
+    unless ( blessed $type_parameter && $type_parameter->isa('Moose::Meta::TypeConstraint') ) {
+        require Moose;
+        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)) {
@@ -52,10 +57,16 @@ sub compile_type_constraint {
     
     # if we get here, then we couldn't 
     # find a way to parameterize this type
+    require Moose;
     Moose->throw_error("The " . $self->name . " constraint cannot be used, because " 
           . $self->parent->name . " doesn't subtype or coerce from a parameterizable type.");
 }
 
+sub create_child_type {
+    my ($self, %opts) = @_;
+    return Moose::Meta::TypeConstraint::Parameterizable->new(%opts, parent=>$self);
+}
+
 1;
 
 __END__
@@ -65,23 +76,17 @@ __END__
 
 =head1 NAME
 
-Moose::Meta::TypeConstraint::Parameterized - Higher Order type constraints for Moose
+Moose::Meta::TypeConstraint::Parameterized - Type constraints with a bound parameter (ArrayRef[Int])
 
 =head1 METHODS
 
-=over 4
-
-=item B<compile_type_constraint>
-
-=item B<type_parameter>
-
-=item B<has_type_parameter>
-
-=item B<meta>
+This class is intentionally not documented because the API is
+confusing and needs some work.
 
-=item B<equals>
+=head1 INHERITANCE
 
-=back
+C<Moose::Meta::TypeConstraint::Parameterized> is a subclass of
+L<Moose::Meta::TypeConstraint>.
 
 =head1 BUGS
 
@@ -95,7 +100,7 @@ Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2006-2008 by Infinity Interactive, Inc.
+Copyright 2006-2009 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>