1error: equality constraints are not yet supported in `where` clauses 2 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:46 3 | 4LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { 5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not supported 6 | 7 = note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information 8 9error[E0221]: ambiguous associated type `Color` in bounds of `C` 10 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:19:32 11 | 12LL | type Color; 13 | ----------- ambiguous `Color` from `Vehicle` 14... 15LL | type Color; 16 | ----------- ambiguous `Color` from `Box` 17... 18LL | fn dent<C:BoxCar>(c: C, color: C::Color) { 19 | ^^^^^^^^ ambiguous associated type `Color` 20 | 21help: use fully qualified syntax to disambiguate 22 | 23LL | fn dent<C:BoxCar>(c: C, color: <C as Vehicle>::Color) { 24 | ~~~~~~~~~~~~~~~~ 25help: use fully qualified syntax to disambiguate 26 | 27LL | fn dent<C:BoxCar>(c: C, color: <C as Box>::Color) { 28 | ~~~~~~~~~~~~ 29 30error[E0222]: ambiguous associated type `Color` in bounds of `BoxCar` 31 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:37 32 | 33LL | type Color; 34 | ----------- ambiguous `Color` from `Vehicle` 35... 36LL | type Color; 37 | ----------- ambiguous `Color` from `Box` 38... 39LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { 40 | ^^^^^^^^^^^ ambiguous associated type `Color` 41 | 42 = help: consider introducing a new type parameter `T` and adding `where` constraints: 43 where 44 T: BoxCar, 45 T: Vehicle::Color = COLOR, 46 T: Box::Color = COLOR 47 48error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified 49 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:30 50 | 51LL | type Color; 52 | ----------- `Vehicle::Color` defined here 53... 54LL | type Color; 55 | ----------- `Box::Color` defined here 56... 57LL | fn dent_object<COLOR>(c: dyn BoxCar<Color=COLOR>) { 58 | ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified 59 | 60 = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types 61 62error[E0221]: ambiguous associated type `Color` in bounds of `C` 63 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:28:29 64 | 65LL | type Color; 66 | ----------- ambiguous `Color` from `Vehicle` 67... 68LL | type Color; 69 | ----------- ambiguous `Color` from `Box` 70... 71LL | fn paint<C:BoxCar>(c: C, d: C::Color) { 72 | ^^^^^^^^ ambiguous associated type `Color` 73 | 74help: use fully qualified syntax to disambiguate 75 | 76LL | fn paint<C:BoxCar>(c: C, d: <C as Vehicle>::Color) { 77 | ~~~~~~~~~~~~~~~~ 78help: use fully qualified syntax to disambiguate 79 | 80LL | fn paint<C:BoxCar>(c: C, d: <C as Box>::Color) { 81 | ~~~~~~~~~~~~ 82 83error[E0191]: the value of the associated types `Color` (from trait `Box`), `Color` (from trait `Vehicle`) must be specified 84 --> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:32 85 | 86LL | type Color; 87 | ----------- `Vehicle::Color` defined here 88... 89LL | type Color; 90 | ----------- `Box::Color` defined here 91... 92LL | fn dent_object_2<COLOR>(c: dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR { 93 | ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified 94 | 95 = help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types 96 97error: aborting due to 6 previous errors 98 99Some errors have detailed explanations: E0191, E0221, E0222. 100For more information about an error, try `rustc --explain E0191`. 101