| 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`. |
