rust/tests/ui/suggestions/missing-bound-in-manual-copy-impl-2.stderr
2023-01-11 09:32:08 +00:00

23 lines
796 B
Plaintext

error[E0204]: the trait `Copy` may not be implemented for this type
--> $DIR/missing-bound-in-manual-copy-impl-2.rs:16:18
|
LL | struct Wrapper<T>(T);
| - this field does not implement `Copy`
...
LL | impl<S> Copy for Wrapper<OnlyCopyIfDisplay<S>> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: the `Copy` impl for `OnlyCopyIfDisplay<S>` requires that `S: std::fmt::Display`
--> $DIR/missing-bound-in-manual-copy-impl-2.rs:4:19
|
LL | struct Wrapper<T>(T);
| ^
help: consider restricting type parameter `S`
|
LL | impl<S: std::fmt::Display> Copy for Wrapper<OnlyCopyIfDisplay<S>> {}
| +++++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0204`.