rust/tests/ui/unboxed-closures/unboxed-closures-infer-fnmu...

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error[E0596]: cannot borrow `tick` as mutable, as it is not declared as mutable
--> $DIR/unboxed-closures-infer-fnmut-move-missing-mut.rs:7:5
|
LL | let tick = move || counter += 1;
| ------- calling `tick` requires mutable binding due to possible mutation of `counter`
LL | tick();
| ^^^^ cannot borrow as mutable
|
help: consider changing this to be mutable
|
LL | let mut tick = move || counter += 1;
| +++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0596`.