rust/src/test/ui/unboxed-closures/unboxed-closures-mutate-upvar.stderr
2019-04-22 08:40:08 +01:00

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error[E0594]: cannot assign to `n`, as it is not declared as mutable
--> $DIR/unboxed-closures-mutate-upvar.rs:15:9
|
LL | let n = 0;
| - help: consider changing this to be mutable: `mut n`
LL | let mut f = to_fn_mut(|| {
LL | n += 1;
| ^^^^^^ cannot assign
error[E0594]: cannot assign to `n`, as it is not declared as mutable
--> $DIR/unboxed-closures-mutate-upvar.rs:32:9
|
LL | let n = 0;
| - help: consider changing this to be mutable: `mut n`
...
LL | n += 1;
| ^^^^^^ cannot assign
error[E0594]: cannot assign to `n`, as it is not declared as mutable
--> $DIR/unboxed-closures-mutate-upvar.rs:46:9
|
LL | let n = 0;
| - help: consider changing this to be mutable: `mut n`
LL | let mut f = to_fn(move || {
LL | n += 1;
| ^^^^^^ cannot assign
error[E0594]: cannot assign to `n`, as it is a captured variable in a `Fn` closure
--> $DIR/unboxed-closures-mutate-upvar.rs:53:9
|
LL | n += 1;
| ^^^^^^ cannot assign
|
help: consider changing this to accept closures that implement `FnMut`
--> $DIR/unboxed-closures-mutate-upvar.rs:52:23
|
LL | let mut f = to_fn(move || {
| _______________________^
LL | | n += 1;
LL | | });
| |_____^
error: aborting due to 4 previous errors