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warning: unnecessary lifetime parameter `'a`
--> $DIR/bounds-are-checked.rs:8:6
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LL | fn f<'a: 'static>(t: &'a str) -> X<'a> {
| ^^
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= help: you can use the `'static` lifetime directly, in place of `'a`
error: non-defining opaque type use in defining scope
--> $DIR/bounds-are-checked.rs:10:5
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LL | type X<'a> = impl Into<&'static str> + From<&'a str>;
| -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type
...
LL | t
| ^
error: aborting due to previous error; 1 warning emitted
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