}
pub enum TraitWrapper {
- A(Box<MyTrait+'static>),
+ A(Box<dyn MyTrait + 'static>),
}
-fn get_tw_map(tw: &TraitWrapper) -> &MyTrait {
+fn get_tw_map(tw: &TraitWrapper) -> &dyn MyTrait {
match *tw {
TraitWrapper::A(box ref map) => map, //~ ERROR cannot be dereferenced
}