rust/tests/ui/nll/issue-57100.stderr
2023-01-11 09:32:08 +00:00

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error[E0502]: cannot borrow `r.r2_union.f3_union` (via `r.r2_union.f3_union.s2_leaf.l1_u8`) as immutable because it is also borrowed as mutable (via `r.r2_union.f3_union.s1_leaf.l1_u8`)
--> $DIR/issue-57100.rs:42:20
|
LL | let mref = &mut r.r2_union.f3_union.s1_leaf.l1_u8;
| -------------------------------------- mutable borrow occurs here (via `r.r2_union.f3_union.s1_leaf.l1_u8`)
...
LL | let nref = &r.r2_union.f3_union.s2_leaf.l1_u8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow of `r.r2_union.f3_union.s2_leaf.l1_u8` -- which overlaps with `r.r2_union.f3_union.s1_leaf.l1_u8` -- occurs here
...
LL | println!("{} {}", mref, nref)
| ---- mutable borrow later used here
|
= note: `r.r2_union.f3_union.s2_leaf.l1_u8` is a field of the union `Second`, so it overlaps the field `r.r2_union.f3_union.s1_leaf.l1_u8`
error[E0502]: cannot borrow `r.r2_union` (via `r.r2_union.f1_leaf.l1_u8`) as immutable because it is also borrowed as mutable (via `r.r2_union.f2_leaf.l1_u8`)
--> $DIR/issue-57100.rs:60:20
|
LL | let mref = &mut r.r2_union.f2_leaf.l1_u8;
| ----------------------------- mutable borrow occurs here (via `r.r2_union.f2_leaf.l1_u8`)
...
LL | let nref = &r.r2_union.f1_leaf.l1_u8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow of `r.r2_union.f1_leaf.l1_u8` -- which overlaps with `r.r2_union.f2_leaf.l1_u8` -- occurs here
...
LL | println!("{} {}", mref, nref)
| ---- mutable borrow later used here
|
= note: `r.r2_union.f1_leaf.l1_u8` is a field of the union `First`, so it overlaps the field `r.r2_union.f2_leaf.l1_u8`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0502`.