Inna Palant | ff3f07a | 2019-07-11 16:15:26 -0700 | [diff] [blame] | 1 | error[E0623]: lifetime mismatch |
| 2 | --> $DIR/regions-lifetime-bounds-on-fns.rs:8:10 |
| 3 | | |
| 4 | LL | fn b<'a, 'b>(x: &mut &'a isize, y: &mut &'b isize) { |
| 5 | | --------- --------- these two types are declared with different lifetimes... |
| 6 | LL | // Illegal now because there is no `'b:'a` declaration. |
| 7 | LL | *x = *y; |
| 8 | | ^^ ...but data from `y` flows into `x` here |
| 9 | |
| 10 | error[E0623]: lifetime mismatch |
| 11 | --> $DIR/regions-lifetime-bounds-on-fns.rs:14:7 |
| 12 | | |
| 13 | LL | fn c<'a,'b>(x: &mut &'a isize, y: &mut &'b isize) { |
| 14 | | --------- --------- these two types are declared with different lifetimes... |
| 15 | ... |
| 16 | LL | a(x, y); |
| 17 | | ^ ...but data from `y` flows into `x` here |
| 18 | |
| 19 | error[E0308]: mismatched types |
| 20 | --> $DIR/regions-lifetime-bounds-on-fns.rs:20:43 |
| 21 | | |
| 22 | LL | let _: fn(&mut &isize, &mut &isize) = a; |
Jeff Vander Stoep | 983137f | 2020-09-16 14:50:30 +0200 | [diff] [blame] | 23 | | ^ one type is more general than the other |
Inna Palant | ff3f07a | 2019-07-11 16:15:26 -0700 | [diff] [blame] | 24 | | |
Matthew Maurer | f4d8f81 | 2020-03-27 13:14:30 -0700 | [diff] [blame] | 25 | = note: expected fn pointer `for<'r, 's, 't0, 't1> fn(&'r mut &'s isize, &'t0 mut &'t1 isize)` |
Jeff Vander Stoep | 983137f | 2020-09-16 14:50:30 +0200 | [diff] [blame] | 26 | found fn pointer `for<'r, 's> fn(&'r mut &isize, &'s mut &isize)` |
Inna Palant | ff3f07a | 2019-07-11 16:15:26 -0700 | [diff] [blame] | 27 | |
| 28 | error: aborting due to 3 previous errors |
| 29 | |
Matthew Maurer | f4d8f81 | 2020-03-27 13:14:30 -0700 | [diff] [blame] | 30 | Some errors have detailed explanations: E0308, E0623. |
| 31 | For more information about an error, try `rustc --explain E0308`. |