rust/src/test/ui/closures/issue-81700-mut-borrow.stderr
Aaron Hill bc84e21107
Fix panic when emitting diagnostic for closure mutable binding error
Fixes #81700

The upvar borrow kind may be `ty::BorrowKind::UniqueImmBorrow`, which is
still a mutable borrow for the purposes of this diagnostic code.
2021-02-03 12:36:24 -05:00

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Plaintext

error[E0596]: cannot borrow `bar` as mutable, as it is not declared as mutable
--> $DIR/issue-81700-mut-borrow.rs:3:5
|
LL | let bar = || { foo(x); };
| --- - calling `bar` requires mutable binding due to mutable borrow of `x`
| |
| help: consider changing this to be mutable: `mut bar`
LL | bar();
| ^^^ cannot borrow as mutable
error: aborting due to previous error
For more information about this error, try `rustc --explain E0596`.