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error[E0277]: the trait bound `(): _Contains<&C>` is not satisfied
--> $DIR/issue-85848.rs:24:29
|
LL | writes_to_specific_path(&cap);
| ----------------------- ^^^^ the trait `_Contains<&C>` is not implemented for `()`, which is required by `&C: Delegates<()>`
| |
| required by a bound introduced by this call
|
help: this trait has no implementations, consider adding one
--> $DIR/issue-85848.rs:4:1
|
LL | trait _Contains<T> {
| ^^^^^^^^^^^^^^^^^^
note: required for `&C` to implement `Contains<(), true>`
--> $DIR/issue-85848.rs:21:12
|
LL | impl<T, U> Contains<T, { contains::<T, U>() }> for U where T: _Contains<U> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^ ------------ unsatisfied trait bound introduced here
note: required for `&C` to implement `Delegates<()>`
--> $DIR/issue-85848.rs:12:12
|
LL | impl<T, U> Delegates<U> for T where T: Contains<U, true> {}
| ^^^^^^^^^^^^ ^ ----------------- unsatisfied trait bound introduced here
note: required by a bound in `writes_to_specific_path`
--> $DIR/issue-85848.rs:30:31
|
LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
| ^^^^^^^^^^^^^ required by this bound in `writes_to_specific_path`
error: unconstrained generic constant
--> $DIR/issue-85848.rs:24:29
|
LL | writes_to_specific_path(&cap);
| ----------------------- ^^^^
| |
| required by a bound introduced by this call
|
= help: try adding a `where` bound using this expression: `where [(); { contains::<T, U>() }]:`
note: required for `&C` to implement `Contains<(), true>`
--> $DIR/issue-85848.rs:21:12
|
LL | impl<T, U> Contains<T, { contains::<T, U>() }> for U where T: _Contains<U> {}
| ^^^^^^^^^^^^----------------------^ ^
| |
| unsatisfied trait bound introduced here
note: required for `&C` to implement `Delegates<()>`
--> $DIR/issue-85848.rs:12:12
|
LL | impl<T, U> Delegates<U> for T where T: Contains<U, true> {}
| ^^^^^^^^^^^^ ^ ----------------- unsatisfied trait bound introduced here
note: required by a bound in `writes_to_specific_path`
--> $DIR/issue-85848.rs:30:31
|
LL | fn writes_to_specific_path<C: Delegates<()>>(cap: &C) {}
| ^^^^^^^^^^^^^ required by this bound in `writes_to_specific_path`
error[E0308]: mismatched types
--> $DIR/issue-85848.rs:24:5
|
LL | writes_to_specific_path(&cap);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `true`, found `{ contains::<T, U>() }`
|
= note: expected constant `true`
found constant `{ contains::<T, U>() }`
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0277, E0308.
For more information about an error, try `rustc --explain E0277`.
|
