rust/tests/ui/closures/issue-81700-mut-borrow.stderr

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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`
LL | bar();
| ^^^ cannot borrow as mutable
|
help: consider changing this to be mutable
|
LL | let mut bar = || { foo(x); };
| +++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0596`.