1error[E0106]: missing lifetime specifier 2 --> $DIR/rfc1623-2.rs:8:42 3 | 4LL | static NON_ELIDABLE_FN: &fn(&u8, &u8) -> &u8 = 5 | --- --- ^ expected named lifetime parameter 6 | 7 = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2 8 = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html 9help: consider making the type lifetime-generic with a new `'a` lifetime 10 | 11LL | static NON_ELIDABLE_FN: &for<'a> fn(&'a u8, &'a u8) -> &'a u8 = 12 | +++++++ ++ ++ ++ 13 14error[E0106]: missing lifetime specifier 15 --> $DIR/rfc1623-2.rs:10:39 16 | 17LL | &(non_elidable as fn(&u8, &u8) -> &u8); 18 | --- --- ^ expected named lifetime parameter 19 | 20 = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from argument 1 or argument 2 21 = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html 22help: consider making the type lifetime-generic with a new `'a` lifetime 23 | 24LL | &(non_elidable as for<'a> fn(&'a u8, &'a u8) -> &'a u8); 25 | +++++++ ++ ++ ++ 26 27error: aborting due to 2 previous errors 28 29For more information about this error, try `rustc --explain E0106`. 30