rust/tests/ui/fn/fn_def_coercion.stderr
2024-04-24 10:05:32 +00:00

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error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:10:17
|
LL | fn f<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
LL | let mut x = foo::<&'a ()>;
| ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b`
|
= help: consider adding the following bound: `'a: 'b`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:11:5
|
LL | fn f<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
LL | let mut x = foo::<&'a ()>;
LL | x = foo::<&'b ()>;
| ^^^^^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a`
|
= help: consider adding the following bound: `'b: 'a`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
help: `'a` and `'b` must be the same: replace one with the other
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:20:12
|
LL | fn g<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'c` defined here
| |
| lifetime `'a` defined here
LL | let x = foo::<&'c ()>;
LL | let _: &'c () = x(a);
| ^^^^^^ type annotation requires that `'a` must outlive `'c`
|
= help: consider adding the following bound: `'a: 'c`
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:30:5
|
LL | fn i<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
LL | let mut x = foo::<&'c ()>;
LL | x = foo::<&'b ()>;
| ^^^^^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a`
|
= help: consider adding the following bound: `'b: 'a`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:31:5
|
LL | fn i<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
...
LL | x = foo::<&'a ()>;
| ^^^^^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b`
|
= help: consider adding the following bound: `'a: 'b`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
help: `'a` and `'b` must be the same: replace one with the other
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:39:17
|
LL | fn j<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
LL | let x = match true {
LL | true => foo::<&'b ()>,
| ^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a`
|
= help: consider adding the following bound: `'b: 'a`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:40:18
|
LL | fn j<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
...
LL | false => foo::<&'a ()>,
| ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b`
|
= help: consider adding the following bound: `'a: 'b`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
help: `'a` and `'b` must be the same: replace one with the other
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:50:18
|
LL | fn k<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'c` defined here
| |
| lifetime `'a` defined here
...
LL | false => foo::<&'a ()>,
| ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'c`
|
= help: consider adding the following bound: `'a: 'c`
= note: requirement occurs because of a function pointer to `foo`
= note: the function `foo` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: lifetime may not live long enough
--> $DIR/fn_def_coercion.rs:54:5
|
LL | fn k<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
...
LL | x(b);
| ^^^^ argument requires that `'b` must outlive `'a`
|
= help: consider adding the following bound: `'b: 'a`
help: the following changes may resolve your lifetime errors
|
= help: add bound `'a: 'c`
= help: add bound `'b: 'a`
error: aborting due to 9 previous errors