1 error[E0038]: the trait `Map` cannot be made into an object
2 --> $DIR/issue-26056.rs:20:13
4 LL | trait Map: MapLookup<<Self as Map>::Key> {
5 | --- ----------------------------- ...because it uses `Self` as a type parameter in this
7 | this trait cannot be made into an object...
9 LL | as &dyn Map<Key=u32,MapValue=u32>;
10 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Map` cannot be made into an object
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0038`.