mirror of https://github.com/rust-lang/rust
59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
error[E0106]: missing lifetime specifiers
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--> $DIR/missing-lt-for-hrtb.rs:2:32
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LL | struct S<'a>(&'a dyn Fn(&X) -> &X);
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| -- ^^ expected named lifetime parameter
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| expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but the signature does not say which one of argument 1's 2 lifetimes it is borrowed from
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help: consider using the `'a` lifetime
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LL | struct S<'a>(&'a dyn Fn(&X) -> &'a X<'a>);
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| ++ ++++
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error[E0106]: missing lifetime specifiers
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--> $DIR/missing-lt-for-hrtb.rs:4:40
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LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &X);
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| -- ^^ expected named lifetime parameter
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| |
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| expected named lifetime parameter
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= help: this function's return type contains a borrowed value, but the signature does not say which one of argument 1's 2 lifetimes it is borrowed from
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note: these named lifetimes are available to use
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--> $DIR/missing-lt-for-hrtb.rs:4:10
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LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &X);
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| ^^ ^^
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help: consider using one of the available lifetimes here
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LL | struct V<'a>(&'a dyn for<'b> Fn(&X) -> &'lifetime X<'lifetime>);
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| +++++++++ +++++++++++
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error: lifetime may not live long enough
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--> $DIR/missing-lt-for-hrtb.rs:10:9
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LL | let x = S(&|x| {
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| -- return type of closure is &'2 X<'_>
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| |
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| has type `&'1 X<'_>`
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LL | println!("hi");
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LL | x
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| ^ returning this value requires that `'1` must outlive `'2`
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error: lifetime may not live long enough
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--> $DIR/missing-lt-for-hrtb.rs:10:9
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LL | let x = S(&|x| {
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| -- return type of closure is &X<'4>
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| has type `&X<'3>`
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LL | println!("hi");
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LL | x
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| ^ returning this value requires that `'3` must outlive `'4`
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0106`.
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