=head2 isa
-handle $self->isa since AUTOLOAD can't.
+handle $self->isa since AUTOLOAD can't - this tries both the type constraint,
+and for a class type, the class.
=cut
sub isa {
- return 1 if $_[1]->isa('Moose::Meta::TypeConstraint');
- shift->_try_delegate('isa', @_)
+ my $self = shift;
+ return
+ $self->__type_constraint->isa(@_)
+ || $self->_try_delegate('isa', @_);
}
=head2 can
=head2 AUTOLOAD
-Delegate to the decorator target.
+Delegate to the decorator target, unless this is a class type, in which
+case it will call the class' version of the method if present, and fall
+back to the type's version if not.
=cut
my ($self, $method, @args) = @_;
my $tc = $self->__type_constraint;
my $class;
- my $search_tc = $tc;
- while ($search_tc->is_subtype_of('Object')) {
- if ($search_tc->isa('Moose::Meta::TypeConstraint::Class')) {
- $class = $search_tc->class;
- last;
+ if ($tc->can('is_subtype_of')) { # Union can't
+ my $search_tc = $tc;
+ while (1) {
+ if ($search_tc->isa('Moose::Meta::TypeConstraint::Class')) {
+ $class = $search_tc->class;
+ last;
+ }
+ $search_tc = $search_tc->parent;
+ last unless $search_tc->is_subtype_of('Object');
}
- $search_tc = $search_tc->parent;
}
- my $inv = (
- $class
- ? (
- $method eq 'new' || $class->can($method)
- ? $class
- : $tc
- )
- : $tc
- );
+ my $inv = ($class && $class->can($method)) ? $class : $tc;
+
$inv->$method(@args);
}