mirror of https://github.com/rust-lang/rust
34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
error: lifetime may not live long enough
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--> $DIR/object-lifetime-default-from-box-error.rs:18:5
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LL | fn load(ss: &mut SomeStruct) -> Box<dyn SomeTrait> {
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| -- has type `&mut SomeStruct<'1>`
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...
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LL | ss.r
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| ^^^^ returning this value requires that `'1` must outlive `'static`
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help: to declare that the trait object captures data from argument `ss`, you can add an explicit `'_` lifetime bound
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LL | fn load(ss: &mut SomeStruct) -> Box<dyn SomeTrait + '_> {
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| ++++
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error[E0507]: cannot move out of `ss.r` which is behind a mutable reference
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--> $DIR/object-lifetime-default-from-box-error.rs:18:5
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LL | ss.r
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| ^^^^ move occurs because `ss.r` has type `Box<dyn SomeTrait>`, which does not implement the `Copy` trait
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error[E0621]: explicit lifetime required in the type of `ss`
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--> $DIR/object-lifetime-default-from-box-error.rs:33:5
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LL | fn store1<'b>(ss: &mut SomeStruct, b: Box<dyn SomeTrait+'b>) {
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| --------------- help: add explicit lifetime `'b` to the type of `ss`: `&mut SomeStruct<'b>`
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...
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LL | ss.r = b;
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| ^^^^ lifetime `'b` required
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0507, E0621.
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For more information about an error, try `rustc --explain E0507`.
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