rust/src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.stderr

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note: External requirements
--> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:45:47
|
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LL | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
| _______________________________________________^
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LL | | //~^ ERROR borrowed data escapes outside of function
LL | | //~| ERROR unsatisfied lifetime constraints
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LL | |
LL | | // Only works if 'x: 'y:
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LL | | demand_y(x, y, x.get())
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LL | | });
| |_____^
|
= note: defining type: DefId(0/1:18 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]::{{closure}}[0]) with closure substs [
i16,
for<'r, 's, 't0, 't1, 't2> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 'r)) std::cell::Cell<&'_#1r &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't0)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 's)) u32>, &ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't1)) std::cell::Cell<&ReLateBound(DebruijnIndex(0), BrNamed(crate0:DefIndex(0:0), 't2)) u32>))
]
= note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:16), 'a)) is '_#2r
= note: late-bound region ReFree(DefId(0/0:6 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]), BrNamed(crate0:DefIndex(1:17), 'b)) is '_#3r
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= note: number of external vids: 4
= note: where '_#1r: '_#0r
note: No external requirements
--> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:44:1
|
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LL | / fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
LL | | establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
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LL | | //~^ ERROR borrowed data escapes outside of function
LL | | //~| ERROR unsatisfied lifetime constraints
... |
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LL | | });
LL | | }
| |_^
|
= note: defining type: DefId(0/0:6 ~ propagate_approximated_shorter_to_static_no_bound[317d]::supply[0]) with substs []
error: borrowed data escapes outside of function
--> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:45:5
|
LL | fn supply<'a, 'b>(cell_a: Cell<&'a u32>, cell_b: Cell<&'b u32>) {
| ------ `cell_a` is a reference that is only valid in the function body
LL | / establish_relationships(&cell_a, &cell_b, |_outlives, x, y| {
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LL | | //~^ ERROR borrowed data escapes outside of function
LL | | //~| ERROR unsatisfied lifetime constraints
LL | |
LL | | // Only works if 'x: 'y:
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LL | | demand_y(x, y, x.get())
LL | | });
| |______^ `cell_a` escapes the function body here
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error: unsatisfied lifetime constraints
--> $DIR/propagate-approximated-shorter-to-static-no-bound.rs:45:29
|
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, |_outlives, x, y| {
| ^^^^^^^ requires that `'a` must outlive `'b`
error: aborting due to 2 previous errors