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31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
warning: elided lifetime has a name
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--> $DIR/impl-fn-predefined-lifetimes.rs:4:48
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LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
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| -- lifetime `'a` declared here ^^ this elided lifetime gets resolved as `'a`
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= note: `#[warn(elided_named_lifetimes)]` on by default
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error[E0792]: expected generic lifetime parameter, found `'_`
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--> $DIR/impl-fn-predefined-lifetimes.rs:7:9
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LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
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| -- this generic parameter must be used with a generic lifetime parameter
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...
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LL | |x| x
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| ^
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error[E0720]: cannot resolve opaque type
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--> $DIR/impl-fn-predefined-lifetimes.rs:4:35
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LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
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| ^^^^^^^^^^^^^^^ recursive opaque type
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...
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LL | |x| x
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| ----- returning here with type `{closure@$DIR/impl-fn-predefined-lifetimes.rs:7:5: 7:8}`
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error: aborting due to 2 previous errors; 1 warning emitted
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Some errors have detailed explanations: E0720, E0792.
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For more information about an error, try `rustc --explain E0720`.
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