f50e285e30
Suggest appropriate syntax on missing lifetime specifier in return type Suggest using `'static` when a lifetime is missing in the return type with a structured suggestion instead of a note. Fix #55170.
39 lines
1.5 KiB
Plaintext
39 lines
1.5 KiB
Plaintext
error[E0637]: `'_` cannot be used here
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--> $DIR/underscore-lifetime-binders.rs:14:8
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LL | fn foo<'_> //~ ERROR cannot be used here
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| ^^ `'_` is a reserved lifetime name
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error[E0637]: `'_` cannot be used here
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--> $DIR/underscore-lifetime-binders.rs:20:21
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LL | fn meh() -> Box<for<'_> Meh<'_>> //~ ERROR cannot be used here
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| ^^ `'_` is a reserved lifetime name
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error[E0106]: missing lifetime specifier
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--> $DIR/underscore-lifetime-binders.rs:12:17
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LL | struct Baz<'a>(&'_ &'a u8); //~ ERROR missing lifetime specifier
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| ^^ expected lifetime parameter
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error[E0106]: missing lifetime specifier
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--> $DIR/underscore-lifetime-binders.rs:20:29
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LL | fn meh() -> Box<for<'_> Meh<'_>> //~ ERROR cannot be used here
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| ^^ help: consider giving it a 'static lifetime: `'static`
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= help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from
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error[E0106]: missing lifetime specifier
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--> $DIR/underscore-lifetime-binders.rs:26:35
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LL | fn foo2(_: &'_ u8, y: &'_ u8) -> &'_ u8 { y } //~ ERROR missing lifetime specifier
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| ^^ expected lifetime parameter
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= help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `_` or `y`
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error: aborting due to 5 previous errors
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Some errors occurred: E0106, E0637.
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For more information about an error, try `rustc --explain E0106`.
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