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error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized7.rs:12:21
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LL | impl<X: ?Sized + T> T1<X> for S3<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `Sized`
|
note: required by an implicit `Sized` bound in `T1`
--> $DIR/unsized7.rs:7:10
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LL | trait T1<Z: T> {
| ^ required by the implicit `Sized` requirement on this type parameter in `T1`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
LL - impl<X: ?Sized + T> T1<X> for S3<X> {
LL + impl<X: T> T1<X> for S3<X> {
|
help: consider relaxing the implicit `Sized` restriction
|
LL | trait T1<Z: T + ?Sized> {
| ++++++++
error[E0046]: not all trait items implemented, missing: `dummy`
--> $DIR/unsized7.rs:12:1
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LL | fn dummy(&self) -> Z;
| --------------------- `dummy` from trait
...
LL | impl<X: ?Sized + T> T1<X> for S3<X> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `dummy` in implementation
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0046, E0277.
For more information about an error, try `rustc --explain E0046`.
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