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error[E0204]: the trait `Copy` cannot 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`.
|
