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error: ambiguous `+` in a type
--> $DIR/impl-fn-parsing-ambiguities.rs:4:27
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LL | fn a() -> impl Fn(&u8) -> impl Debug + '_ {
| ^^^^^^^^^^^^^^^
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help: try adding parentheses
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LL | fn a() -> impl Fn(&u8) -> (impl Debug + '_) {
| + +
error: ambiguous `+` in a type
--> $DIR/impl-fn-parsing-ambiguities.rs:10:24
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LL | fn b() -> impl Fn() -> impl Debug + Send {
| ^^^^^^^^^^^^^^^^^
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help: try adding parentheses
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LL | fn b() -> impl Fn() -> (impl Debug + Send) {
| + +
error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait`
--> $DIR/impl-fn-parsing-ambiguities.rs:4:40
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LL | fn a() -> impl Fn(&u8) -> impl Debug + '_ {
| ^^
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note: lifetime declared here
--> $DIR/impl-fn-parsing-ambiguities.rs:4:19
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LL | fn a() -> impl Fn(&u8) -> impl Debug + '_ {
| ^
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0657`.
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