mirror of
https://github.com/rust-lang/rust.git
synced 2025-05-14 02:49:40 +00:00
3f2a63a68b
```
help: consider restricting type parameter `T` with traits `Copy` and `Trait`
|
LL | fn duplicate_custom<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) {
| ++++++++++++++
```
```
help: consider restricting type parameter `V` with trait `Copy`
|
LL | fn index<'a, K, V: std::marker::Copy>(map: &'a HashMap<K, V>, k: K) -> &'a V {
| +++++++++++++++++++
```
36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
error[E0277]: the trait bound `T: Copy` is not satisfied
|
|
--> $DIR/explicit-drop-bounds.rs:27:18
|
|
|
|
|
LL | impl<T> Drop for DropMe<T>
|
|
| ^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
|
|
|
|
note: required by a bound in `DropMe`
|
|
--> $DIR/explicit-drop-bounds.rs:7:18
|
|
|
|
|
LL | struct DropMe<T: Copy>(T);
|
|
| ^^^^ required by this bound in `DropMe`
|
|
help: consider further restricting type parameter `T` with trait `Copy`
|
|
|
|
|
LL | [T; 1]: Copy, T: std::marker::Copy // But `[T; 1]: Copy` does not imply `T: Copy`
|
|
| ~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error[E0277]: the trait bound `T: Copy` is not satisfied
|
|
--> $DIR/explicit-drop-bounds.rs:32:18
|
|
|
|
|
LL | fn drop(&mut self) {}
|
|
| ^^^^ the trait `Copy` is not implemented for `T`
|
|
|
|
|
note: required by a bound in `DropMe`
|
|
--> $DIR/explicit-drop-bounds.rs:7:18
|
|
|
|
|
LL | struct DropMe<T: Copy>(T);
|
|
| ^^^^ required by this bound in `DropMe`
|
|
help: consider further restricting type parameter `T` with trait `Copy`
|
|
|
|
|
LL | [T; 1]: Copy, T: std::marker::Copy // But `[T; 1]: Copy` does not imply `T: Copy`
|
|
| ~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|