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|
note: no external requirements
--> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:39:47
|
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 '?5
= note: late-bound region is '?6
= note: late-bound region is '?7
= note: late-bound region is '?8
= note: late-bound region is '?9
= note: late-bound region is '?10
= note: late-bound region is '?3
= note: late-bound region is '?4
error: lifetime may not live long enough
--> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:41:9
|
LL | establish_relationships(&cell_a, &cell_b, |_outlives1, _outlives2, x, y| {
| ---------- ---------- has type `&'?7 Cell<&'2 &'?2 u32>`
| |
| has type `&'?5 Cell<&'1 &'?1 u32>`
LL | // Only works if 'x: 'y:
LL | demand_y(x, y, x.get())
| ^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'2`
|
= note: requirement occurs because of the type `Cell<&'?43 u32>`, which makes the generic argument `&'?43 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
note: no external requirements
--> $DIR/propagate-fail-to-approximate-longer-wrong-bounds.rs:38:1
|
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: defining type: supply
error: aborting due to 1 previous error
|
