use Scalar::Util 'blessed';
use Moose::Util::TypeConstraints;
-
-our $VERSION = '0.59';
-$VERSION = eval $VERSION;
-our $AUTHORITY = 'cpan:STEVAN';
+use Moose::Meta::TypeConstraint::Parameterizable;
use base 'Moose::Meta::TypeConstraint';
__PACKAGE__->meta->add_attribute('type_parameter' => (
accessor => 'type_parameter',
predicate => 'has_type_parameter',
+ Class::MOP::_definition_context(),
+));
+
+__PACKAGE__->meta->add_attribute('parameterized_from' => (
+ accessor => 'parameterized_from',
+ predicate => 'has_parameterized_from',
+ Class::MOP::_definition_context(),
));
sub equals {
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
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)) {
$self->_set_constraint($constraint);
- return $self->SUPER::compile_type_constraint;
+ return $self->SUPER::compile_type_constraint;
}
}
-
- # if we get here, then we couldn't
+
+ # if we get here, then we couldn't
# find a way to parameterize this type
- Moose->throw_error("The " . $self->name . " constraint cannot be used, because "
+ 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->new(%opts, parent => $self);
+sub can_be_inlined {
+ my $self = shift;
+
+ return
+ $self->has_parameterized_from
+ && $self->parameterized_from->has_inline_generator
+ && $self->type_parameter->can_be_inlined;
}
-1;
+sub inline_environment {
+ my $self = shift;
-__END__
+ return {
+ ($self->has_parameterized_from
+ ? (%{ $self->parameterized_from->inline_environment })
+ : ()),
+ ($self->has_type_parameter
+ ? (%{ $self->type_parameter->inline_environment })
+ : ()),
+ };
+}
+sub _inline_check {
+ my $self = shift;
-=pod
+ return unless $self->can_be_inlined;
-=head1 NAME
+ return $self->parameterized_from->generate_inline_for( $self->type_parameter, @_ );
+}
-Moose::Meta::TypeConstraint::Parameterized - Higher Order type constraints for Moose
+sub create_child_type {
+ my ($self, %opts) = @_;
+ return Moose::Meta::TypeConstraint::Parameterizable->new(%opts, parent=>$self);
+}
-=head1 METHODS
+1;
-=over 4
+# ABSTRACT: Type constraints with a bound parameter (ArrayRef[Int])
-=item B<compile_type_constraint>
+__END__
-=item B<type_parameter>
-=item B<has_type_parameter>
+=pod
-=item B<meta>
+=head1 METHODS
-=item B<equals>
+This class is intentionally not documented because the API is
+confusing and needs some work.
-=item B<create_child_type>
+=head1 INHERITANCE
-=back
+C<Moose::Meta::TypeConstraint::Parameterized> is a subclass of
+L<Moose::Meta::TypeConstraint>.
=head1 BUGS
-All complex software has bugs lurking in it, and this module is no
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
-
-=head1 AUTHOR
-
-Stevan Little E<lt>stevan@iinteractive.comE<gt>
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2006-2008 by Infinity Interactive, Inc.
-
-L<http://www.iinteractive.com>
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
+See L<Moose/BUGS> for details on reporting bugs.
=cut