mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-04 04:39:16 +00:00
32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
error[E0277]: the trait bound `T: Copy` is not satisfied
|
|
--> $DIR/wf-in-fn-ret.rs:10:16
|
|
|
|
|
LL | fn bar<T>() -> MustBeCopy<T>
|
|
| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T`
|
|
|
|
|
note: required by a bound in `MustBeCopy`
|
|
--> $DIR/wf-in-fn-ret.rs:6:22
|
|
|
|
|
LL | struct MustBeCopy<T: Copy> {
|
|
| ^^^^ required by this bound in `MustBeCopy`
|
|
help: consider restricting type parameter `T`
|
|
|
|
|
LL | fn bar<T: std::marker::Copy>() -> MustBeCopy<T>
|
|
| +++++++++++++++++++
|
|
|
|
error[E0308]: mismatched types
|
|
--> $DIR/wf-in-fn-ret.rs:10:16
|
|
|
|
|
LL | fn bar<T>() -> MustBeCopy<T>
|
|
| --- ^^^^^^^^^^^^^ expected `MustBeCopy<T>`, found `()`
|
|
| |
|
|
| implicitly returns `()` as its body has no tail or `return` expression
|
|
|
|
|
= note: expected struct `MustBeCopy<T>`
|
|
found unit type `()`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0277, E0308.
|
|
For more information about an error, try `rustc --explain E0277`.
|