X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint%2FParameterized.pm;h=c3c664ecf28f054bd4040b5a5a0360f4e88a47e4;hb=a7e9b05b9505cd4d2d642ead617de0eb7074e23f;hp=f47efa4ad4d68509573e96cefeaa769f1d7ee30a;hpb=39aba5c9fd57a65a61c4612d36dc0956a917e8e0;p=gitmo%2FMoose.git
diff --git a/lib/Moose/Meta/TypeConstraint/Parameterized.pm b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
index f47efa4..c3c664e 100644
--- a/lib/Moose/Meta/TypeConstraint/Parameterized.pm
+++ b/lib/Moose/Meta/TypeConstraint/Parameterized.pm
@@ -6,8 +6,10 @@ use metaclass;
use Scalar::Util 'blessed';
use Carp 'confess';
+use Moose::Util::TypeConstraints;
-our $VERSION = '0.01';
+our $VERSION = '0.55_04';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
use base 'Moose::Meta::TypeConstraint';
@@ -17,6 +19,20 @@ __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;
@@ -27,34 +43,18 @@ sub compile_type_constraint {
(blessed $type_parameter && $type_parameter->isa('Moose::Meta::TypeConstraint'))
|| confess "The type parameter must be a Moose meta type";
-
- my $constraint;
-
- my $array_constraint = sub {
- foreach my $x (@$_) {
- ($type_parameter->check($x)) || return
- } 1;
- };
-
- my $hash_constraint = sub {
- foreach my $x (values %$_) {
- ($type_parameter->check($x)) || return
- } 1;
- };
-
- if ($self->is_subtype_of('ArrayRef')) {
- $constraint = $array_constraint;
- }
- elsif ($self->is_subtype_of('HashRef')) {
- $constraint = $hash_constraint;
- }
- else {
- confess "The " . $self->name . " constraint cannot be used, because " . $self->parent->name . " doesn't subtype ArrayRef or HashRef.";
+
+ foreach my $type (Moose::Util::TypeConstraints::get_all_parameterizable_types()) {
+ if (my $constraint = $type->generate_constraint_for($self)) {
+ $self->_set_constraint($constraint);
+ return $self->SUPER::compile_type_constraint;
+ }
}
- $self->_set_constraint($constraint);
-
- $self->SUPER::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.";
}
1;
@@ -68,8 +68,6 @@ __END__
Moose::Meta::TypeConstraint::Parameterized - Higher Order type constraints for Moose
-=head1 DESCRIPTION
-
=head1 METHODS
=over 4
@@ -82,6 +80,8 @@ Moose::Meta::TypeConstraint::Parameterized - Higher Order type constraints for M
=item B
+=item B
+
=back
=head1 BUGS
@@ -96,7 +96,7 @@ Stevan Little Estevan@iinteractive.comE
=head1 COPYRIGHT AND LICENSE
-Copyright 2006, 2007 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L