| error[E0106]: missing lifetime specifier |
| --> $DIR/return-elided-lifetime.rs:6:12 |
| | |
| LL | fn f1() -> &i32 { loop {} } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn f1() -> &'static i32 { loop {} } |
| | +++++++ |
| help: instead, you are more likely to want to return an owned value |
| | |
| LL - fn f1() -> &i32 { loop {} } |
| LL + fn f1() -> i32 { loop {} } |
| | |
| |
| error[E0106]: missing lifetime specifiers |
| --> $DIR/return-elided-lifetime.rs:8:14 |
| | |
| LL | fn f1_() -> (&i32, &i32) { loop {} } |
| | ^ ^ expected named lifetime parameter |
| | | |
| | expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn f1_() -> (&'static i32, &'static i32) { loop {} } |
| | +++++++ +++++++ |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/return-elided-lifetime.rs:11:26 |
| | |
| LL | fn f2(a: i32, b: i32) -> &i32 { loop {} } |
| | ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn f2(a: i32, b: i32) -> &'static i32 { loop {} } |
| | +++++++ |
| help: instead, you are more likely to want to change one of the arguments to be borrowed... |
| | |
| LL | fn f2(a: &i32, b: &i32) -> &i32 { loop {} } |
| | + + |
| help: ...or alternatively, you might want to return an owned value |
| | |
| LL - fn f2(a: i32, b: i32) -> &i32 { loop {} } |
| LL + fn f2(a: i32, b: i32) -> i32 { loop {} } |
| | |
| |
| error[E0106]: missing lifetime specifiers |
| --> $DIR/return-elided-lifetime.rs:13:28 |
| | |
| LL | fn f2_(a: i32, b: i32) -> (&i32, &i32) { loop {} } |
| | ^ ^ expected named lifetime parameter |
| | | |
| | expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from |
| help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` |
| | |
| LL | fn f2_(a: i32, b: i32) -> (&'static i32, &'static i32) { loop {} } |
| | +++++++ +++++++ |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/return-elided-lifetime.rs:17:17 |
| | |
| LL | fn f3(s: &S) -> &i32 { loop {} } |
| | -- ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but the signature does not say which one of `s`'s 3 lifetimes it is borrowed from |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f3<'a>(s: &'a S<'a, 'a>) -> &'a i32 { loop {} } |
| | ++++ ++ ++++++++ ++ |
| |
| error[E0106]: missing lifetime specifiers |
| --> $DIR/return-elided-lifetime.rs:19:26 |
| | |
| LL | fn f3_(s: &S, t: &S) -> (&i32, &i32) { loop {} } |
| | -- -- ^ ^ expected named lifetime parameter |
| | | |
| | expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from one of `s`'s 3 lifetimes or one of `t`'s 3 lifetimes |
| help: consider introducing a named lifetime parameter |
| | |
| LL | fn f3_<'a>(s: &'a S<'a, 'a>, t: &'a S<'a, 'a>) -> (&'a i32, &'a i32) { loop {} } |
| | ++++ ++ ++++++++ ++ ++++++++ ++ ++ |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/return-elided-lifetime.rs:22:42 |
| | |
| LL | fn f4<'a, 'b>(a: &'a i32, b: &'b i32) -> &i32 { loop {} } |
| | ------- ------- ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments |
| note: these named lifetimes are available to use |
| --> $DIR/return-elided-lifetime.rs:22:7 |
| | |
| LL | fn f4<'a, 'b>(a: &'a i32, b: &'b i32) -> &i32 { loop {} } |
| | ^^ ^^ |
| help: consider using one of the available lifetimes here |
| | |
| LL | fn f4<'a, 'b>(a: &'a i32, b: &'b i32) -> &'lifetime i32 { loop {} } |
| | +++++++++ |
| |
| error[E0106]: missing lifetime specifiers |
| --> $DIR/return-elided-lifetime.rs:24:44 |
| | |
| LL | fn f4_<'a, 'b>(a: &'a i32, b: &'b i32) -> (&i32, &i32) { loop {} } |
| | ------- ------- ^ ^ expected named lifetime parameter |
| | | |
| | expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments |
| note: these named lifetimes are available to use |
| --> $DIR/return-elided-lifetime.rs:24:8 |
| | |
| LL | fn f4_<'a, 'b>(a: &'a i32, b: &'b i32) -> (&i32, &i32) { loop {} } |
| | ^^ ^^ |
| help: consider using one of the available lifetimes here |
| | |
| LL | fn f4_<'a, 'b>(a: &'a i32, b: &'b i32) -> (&'lifetime i32, &'lifetime i32) { loop {} } |
| | +++++++++ +++++++++ |
| |
| error[E0106]: missing lifetime specifier |
| --> $DIR/return-elided-lifetime.rs:27:35 |
| | |
| LL | fn f5<'a>(a: &'a i32, b: &i32) -> &i32 { loop {} } |
| | ------- ---- ^ expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b` |
| help: consider using the `'a` lifetime |
| | |
| LL | fn f5<'a>(a: &'a i32, b: &i32) -> &'a i32 { loop {} } |
| | ++ |
| |
| error[E0106]: missing lifetime specifiers |
| --> $DIR/return-elided-lifetime.rs:29:37 |
| | |
| LL | fn f5_<'a>(a: &'a i32, b: &i32) -> (&i32, &i32) { loop {} } |
| | ------- ---- ^ ^ expected named lifetime parameter |
| | | |
| | expected named lifetime parameter |
| | |
| = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b` |
| help: consider using the `'a` lifetime |
| | |
| LL | fn f5_<'a>(a: &'a i32, b: &i32) -> (&'a i32, &'a i32) { loop {} } |
| | ++ ++ |
| |
| error: aborting due to 10 previous errors |
| |
| For more information about this error, try `rustc --explain E0106`. |
