de remove match

src/rstd/typeless.rs

@@ -143,13 +143,10 @@ where
         resolver: Rc<dyn Resolver<'a, Ctx>>,
         addresses: &mut Addresses,
     ) -> TypelessParsed<'a, Ctx> {
-        match self.deserialize(deserializer, resolver, addresses) {
-            Ok(mentionable) => Ok(TypelessMentionable::from_typed(Rc::new(mentionable))),
-            Err(error) => {
-                let boxed: Box<dyn 'a + Error> = Box::new(error);
-                Err(boxed)
-            }
-        }
+        self.deserialize(deserializer, resolver, addresses)
+            .map_err(|e| Box::new(e) as Box<dyn 'a + Error>)
+            .map(Rc::new)
+            .map(TypelessMentionable::from_typed)
     }
 }