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error: lifetime may not live long enough
--> $DIR/ex3-both-anon-regions-3.rs:2:5
|
LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
| - - let's call the lifetime of this reference `'1`
| |
| let's call the lifetime of this reference `'2`
LL | z.push((x,y));
| ^^^^^^^^^^^^^ argument requires that `'1` must outlive `'2`
|
= note: requirement occurs because of a mutable reference to `Vec<(&u8, &u8)>`
= note: mutable references are invariant over their type parameter
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
help: consider introducing a named lifetime parameter
|
LL | fn foo<'a>(z: &mut Vec<(&'a u8,&u8)>, (x, y): (&'a u8, &u8)) {
| ++++ ++ ++
error: lifetime may not live long enough
--> $DIR/ex3-both-anon-regions-3.rs:2:5
|
LL | fn foo(z: &mut Vec<(&u8,&u8)>, (x, y): (&u8, &u8)) {
| - - let's call the lifetime of this reference `'3`
| |
| let's call the lifetime of this reference `'4`
LL | z.push((x,y));
| ^^^^^^^^^^^^^ argument requires that `'3` must outlive `'4`
|
= note: requirement occurs because of a mutable reference to `Vec<(&u8, &u8)>`
= note: mutable references are invariant over their type parameter
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
help: consider introducing a named lifetime parameter
|
LL | fn foo<'a>(z: &mut Vec<(&u8,&'a u8)>, (x, y): (&u8, &'a u8)) {
| ++++ ++ ++
error: aborting due to 2 previous errors
|
