rust/tests/ui/unsized/unsized-trait-impl-trait-arg.stderr
2023-01-11 09:32:08 +00:00

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error[E0277]: the size for values of type `X` cannot be known at compilation time
--> $DIR/unsized-trait-impl-trait-arg.rs:8:17
|
LL | impl<X: ?Sized> T2<X> for S4<X> {
| - ^^^^^ doesn't have a size known at compile-time
| |
| this type parameter needs to be `std::marker::Sized`
|
note: required by a bound in `T2`
--> $DIR/unsized-trait-impl-trait-arg.rs:4:10
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LL | trait T2<Z> {
| ^ required by this bound in `T2`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
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LL - impl<X: ?Sized> T2<X> for S4<X> {
LL + impl<X> T2<X> for S4<X> {
|
help: consider relaxing the implicit `Sized` restriction
|
LL | trait T2<Z: ?Sized> {
| ++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.