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error[E0106]: missing lifetime specifier
--> $DIR/missing-lifetimes-in-signature-before-const.rs:4:67
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LL | fn buggy_const<const N: usize>(_a: &Option<[u8; N]>, _f: &str) -> &str {
| ---------------- ---- ^ expected named 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 `_a` or `_f`
help: consider introducing a named lifetime parameter
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LL | fn buggy_const<'a, const N: usize>(_a: &'a Option<[u8; N]>, _f: &'a str) -> &'a str {
| +++ ++ ++ ++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0106`.
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