Delegate to the decorator target, unless this is a class type, in which
case it will try to delegate to the type object, then if that fails try
-the class. The method 'new' is special cased to go to the class first
-if present.
+the class. The method 'new' is special cased to only be permitted on
+the class; if there is no class, or it does not provide a new method,
+an exception will be thrown.
=cut
}
my $inv = do {
- if ($tc->can($method) and $method ne 'new') {
- $tc
- } elsif ($class && $class->can($method)) {
+ if ($method eq 'new') {
+ die "new called on type decorator for non-class-type ".$tc->name
+ unless $class;
+ die "new called on class type decorator ".$tc->name."\n"
+ ." for class ${class}\n"
+ ." which does not provide a new method - did you forget to load it?"
+ unless $class->can('new');
+ $class
+ } elsif ($class && !$tc->can($method)) {
$class
} else {
$tc