mirror of https://github.com/rust-lang/rust
75 lines
3.1 KiB
Plaintext
75 lines
3.1 KiB
Plaintext
error[E0515]: cannot return value referencing function parameter `val`
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:21:9
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LL | val.use_self()
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| ---^^^^^^^^^^^
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| returns a value referencing data owned by the current function
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| `val` is borrowed here
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error[E0515]: cannot return value referencing function parameter `val`
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:43:9
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LL | val.use_self()
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| ---^^^^^^^^^^^
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| returns a value referencing data owned by the current function
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| `val` is borrowed here
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error[E0515]: cannot return value referencing function parameter `val`
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:112:9
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LL | val.use_self()
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| ---^^^^^^^^^^^
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| returns a value referencing data owned by the current function
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| `val` is borrowed here
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error[E0521]: borrowed data escapes outside of function
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:66:9
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LL | fn use_it<'a>(val: Box<dyn ObjectTrait<Assoc = i32> + 'a>) -> &'a () {
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| -- --- `val` is a reference that is only valid in the function body
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| lifetime `'a` defined here
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LL | val.use_self()
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| ^^^^^^^^^^^^^^
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| `val` escapes the function body here
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| argument requires that `'a` must outlive `'static`
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note: the used `impl` has a `'static` requirement
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:60:30
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LL | impl MyTrait for Box<dyn ObjectTrait<Assoc = i32>> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^ this has an implicit `'static` lifetime requirement
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LL | fn use_self(&self) -> &() { panic!() }
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| -------- calling this method introduces the `impl`'s `'static` requirement
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help: consider relaxing the implicit `'static` requirement
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LL | impl MyTrait for Box<dyn ObjectTrait<Assoc = i32> + '_> {
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| ++++
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error[E0515]: cannot return value referencing function parameter `val`
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:66:9
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LL | val.use_self()
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| ---^^^^^^^^^^^
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| returns a value referencing data owned by the current function
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| `val` is borrowed here
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error[E0515]: cannot return value referencing function parameter `val`
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--> $DIR/impl-on-dyn-trait-with-implicit-static-bound-needing-more-suggestions.rs:90:9
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LL | val.use_self()
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| ---^^^^^^^^^^^
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| returns a value referencing data owned by the current function
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| `val` is borrowed here
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0515, E0521.
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For more information about an error, try `rustc --explain E0515`.
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