src/test/ui/associated-types/issue-23595-1.stderr

   1 error[E0191]: the value of the associated types `ChildKey` (from trait `Hierarchy`), `Children` (from trait `Hierarchy`), `Value` (from trait `Hierarchy`) must be specified
   2   --> $DIR/issue-23595-1.rs:8:58
   3    |
   4 LL |     type Value;
   5    |     ----------- `Value` defined here
   6 LL |     type ChildKey;
   7    |     -------------- `ChildKey` defined here
   8 LL |     type Children = dyn Index<Self::ChildKey, Output=dyn Hierarchy>;
   9    |     -----------------------------------------------------^^^^^^^^^--
  10    |     |                                                    |
  11    |     |                                                    help: specify the associated types: `Hierarchy<Value = Type, ChildKey = Type, Children = Type>`
  12    |     `Children` defined here
  13
  14 error: aborting due to previous error
  15
  16 For more information about this error, try `rustc --explain E0191`.