use Carp 'confess';
use Scalar::Util qw(blessed refaddr);
-our $VERSION = '0.50';
+use base qw(Class::MOP::Object);
+
+our $VERSION = '0.55_04';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
__PACKAGE__->meta->add_attribute('name' => (reader => 'name'));
sub new {
my $class = shift;
- my $self = $class->meta->new_object(@_);
+ my $self = $class->_new(@_);
$self->compile_type_constraint()
unless $self->_has_compiled_type_constraint;
return $self;
sub get_message {
my ($self, $value) = @_;
- $value = (defined $value ? overload::StrVal($value) : 'undef');
if (my $msg = $self->message) {
local $_ = $value;
return $msg->($value);
}
else {
+ $value = (defined $value ? overload::StrVal($value) : 'undef');
return "Validation failed for '" . $self->name . "' failed with value $value";
}
}
sub equals {
my ( $self, $type_or_name ) = @_;
- my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+ my $other = Moose::Util::TypeConstraints::find_type_constraint($type_or_name) or return;
return 1 if refaddr($self) == refaddr($other);
sub is_a_type_of {
my ($self, $type_or_name) = @_;
- my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+ my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name) or return;
($self->equals($type) || $self->is_subtype_of($type));
}
sub is_subtype_of {
my ($self, $type_or_name) = @_;
- my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name);
+ my $type = Moose::Util::TypeConstraints::find_type_constraint($type_or_name) or return;
my $current = $self;
} elsif( $optimized_parent and @parents == 1 ) {
# the case of just one optimized parent is optimized to prevent
# looping and the unnecessary localization
- return Class::MOP::subname($self->name, sub {
- return undef unless $optimized_parent->($_[0]);
- local $_ = $_[0];
- $check->($_[0]);
- });
+ if ( $check == $null_constraint ) {
+ return $optimized_parent;
+ } else {
+ return Class::MOP::subname($self->name, sub {
+ return undef unless $optimized_parent->($_[0]);
+ local $_ = $_[0];
+ $check->($_[0]);
+ });
+ }
} else {
# general case, check all the constraints, from the first parent to ourselves
- my @checks = ( @parents, $check );
+ my @checks = @parents;
+ push @checks, $check if $check != $null_constraint;
return Class::MOP::subname($self->name => sub {
local $_ = $_[0];
foreach my $check (@checks) {
=item B<equals ($type_name_or_object)>
+This checks the current type against the supplied type (only).
+Returns false if the two types are not equal. It also returns false if
+you provide the type as a name, and the type name isn't found in the
+type registry.
+
=item B<is_a_type_of ($type_name_or_object)>
-This checks the current type name, and if it does not match,
-checks if it is a subtype of it.
+This checks the current type against the supplied type, or if the
+current type is a sub-type of the type name or object supplied. It
+also returns false if you provide the type as a name, and the type
+name isn't found in the type registry.
=item B<is_subtype_of ($type_name_or_object)>
+This checks the current type is a sub-type of the type name or object
+supplied. It also returns false if you provide the type as a name, and
+the type name isn't found in the type registry.
+
=item B<compile_type_constraint>
=item B<coerce ($value)>
=item B<name>
+The name of the type in the global type registry.
+
=item B<parent>
+This type's parent type.
+
=item B<has_parent>
+Returns true if this type has a parent type.
+
=item B<parents>
=item B<constraint>