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|
note: external requirements
--> $DIR/propagate-approximated-ref.rs:43:47
|
LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: defining type: supply::{closure#0} with closure args [
i16,
for<Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon), Region(BrAnon)> extern "rust-call" fn((&'^0 std::cell::Cell<&'?1 &'^1 u32>, &'^2 std::cell::Cell<&'^3 &'?2 u32>, &'^4 std::cell::Cell<&'^1 u32>, &'^5 std::cell::Cell<&'^3 u32>)),
(),
]
= note: late-bound region is '?3
= note: late-bound region is '?4
= note: number of external vids: 5
= note: where '?1: '?2
note: no external requirements
--> $DIR/propagate-approximated-ref.rs:42:1
|
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: defining type: supply
error: lifetime may not live long enough
--> $DIR/propagate-approximated-ref.rs:43:5
|
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
| -- -- lifetime `'b` defined here
| |
| lifetime `'a` defined here
LL | / establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
... |
LL | | });
| |______^ argument requires that `'a` must outlive `'b`
|
= help: consider adding the following bound: `'a: 'b`
= note: requirement occurs because of the type `Cell<&'?11 u32>`, which makes the generic argument `&'?11 u32` invariant
= note: the struct `Cell<T>` is invariant over the parameter `T`
= help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
error: aborting due to 1 previous error
|
