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|
error: equality constraints are not yet supported in `where` clauses
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:47
|
LL | fn dent_object_2<COLOR>(c: &dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not supported
|
= note: see issue #20041 <https://github.com/rust-lang/rust/issues/20041> for more information
error[E0221]: ambiguous associated type `Color` in bounds of `C`
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:19:32
|
LL | type Color;
| ---------- ambiguous `Color` from `Vehicle`
...
LL | type Color;
| ---------- ambiguous `Color` from `Box`
...
LL | fn dent<C:BoxCar>(c: C, color: C::Color) {
| ^^^^^^^^ ambiguous associated type `Color`
|
help: use fully-qualified syntax to disambiguate
|
LL | fn dent<C:BoxCar>(c: C, color: <C as Vehicle>::Color) {
| ~~~~~~~~~~~~~~~~
help: use fully-qualified syntax to disambiguate
|
LL | fn dent<C:BoxCar>(c: C, color: <C as Box>::Color) {
| ~~~~~~~~~~~~
error[E0222]: ambiguous associated type `Color` in bounds of `BoxCar`
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:38
|
LL | type Color;
| ---------- ambiguous `Color` from `Vehicle`
...
LL | type Color;
| ---------- ambiguous `Color` from `Box`
...
LL | fn dent_object<COLOR>(c: &dyn BoxCar<Color=COLOR>) {
| ^^^^^^^^^^^ ambiguous associated type `Color`
|
= help: consider introducing a new type parameter `T` and adding `where` constraints:
where
T: BoxCar,
T: Vehicle::Color = COLOR,
T: Box::Color = COLOR
error[E0191]: the value of the associated types `Color` in `Box`, `Color` in `Vehicle` must be specified
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:23:31
|
LL | type Color;
| ---------- `Vehicle::Color` defined here
...
LL | type Color;
| ---------- `Box::Color` defined here
...
LL | fn dent_object<COLOR>(c: &dyn BoxCar<Color=COLOR>) {
| ^^^^^^^^^^^^^^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified
|
= help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types
error[E0221]: ambiguous associated type `Color` in bounds of `C`
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:28:29
|
LL | type Color;
| ---------- ambiguous `Color` from `Vehicle`
...
LL | type Color;
| ---------- ambiguous `Color` from `Box`
...
LL | fn paint<C:BoxCar>(c: C, d: C::Color) {
| ^^^^^^^^ ambiguous associated type `Color`
|
help: use fully-qualified syntax to disambiguate
|
LL | fn paint<C:BoxCar>(c: C, d: <C as Vehicle>::Color) {
| ~~~~~~~~~~~~~~~~
help: use fully-qualified syntax to disambiguate
|
LL | fn paint<C:BoxCar>(c: C, d: <C as Box>::Color) {
| ~~~~~~~~~~~~
error[E0191]: the value of the associated types `Color` in `Box`, `Color` in `Vehicle` must be specified
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:32:33
|
LL | type Color;
| ---------- `Vehicle::Color` defined here
...
LL | type Color;
| ---------- `Box::Color` defined here
...
LL | fn dent_object_2<COLOR>(c: &dyn BoxCar) where <dyn BoxCar as Vehicle>::Color = COLOR {
| ^^^^^^ associated types `Color` (from trait `Vehicle`), `Color` (from trait `Box`) must be specified
|
= help: consider introducing a new type parameter, adding `where` constraints using the fully-qualified path to the associated types
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0191, E0221, E0222.
For more information about an error, try `rustc --explain E0191`.
|
