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error[E0594]: cannot assign to `counter`, as it is a captured variable in a `Fn` closure
--> $DIR/unboxed-closures-mutated-upvar-from-fn-closure.rs:11:9
|
LL | fn call<F>(f: F) where F : Fn() {
| - change this to accept `FnMut` instead of `Fn`
...
LL | call(|| {
| ---- -- in this closure
| |
| expects `Fn` instead of `FnMut`
LL | counter += 1;
| ^^^^^^^^^^^^ cannot assign
error: aborting due to previous error
For more information about this error, try `rustc --explain E0594`.
|
