rust/tests/ui/nll/closure-requirements/propagate-fail-to-approximate-longer-no-bounds.stderr
2023-01-11 09:32:08 +00:00

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note: no external requirements
--> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:35:47
|
LL | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
| ^^^^^^^^^^^^^^^^^
|
= note: defining type: supply::{closure#0} with closure substs [
i16,
for<Region(BrAnon(0, None)), Region(BrAnon(1, None)), Region(BrAnon(2, None)), Region(BrAnon(3, None)), Region(BrAnon(4, None))> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrAnon(0, None) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(1, None) }) &'_#1r u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 2, kind: BrAnon(2, None) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 3, kind: BrAnon(3, None) }) u32>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 4, kind: BrAnon(4, None) }) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(1, None) }) u32>)),
(),
]
= note: late-bound region is '_#2r
= note: late-bound region is '_#3r
error: lifetime may not live long enough
--> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:37:9
|
LL | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
| --------- - has type `&'_#7r Cell<&'1 u32>`
| |
| has type `&'_#5r Cell<&'2 &'_#1r u32>`
LL | // Only works if 'x: 'y:
LL | demand_y(x, y, x.get())
| ^^^^^^^^^^^^^^^^^^^^^^^ argument requires that `'1` must outlive `'2`
note: no external requirements
--> $DIR/propagate-fail-to-approximate-longer-no-bounds.rs:34:1
|
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: defining type: supply
error: aborting due to previous error