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