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error[E0525]: expected a closure that implements the `FnMut` trait, but this closure only implements `FnOnce`
--> $DIR/move-ref-patterns-closure-captures.rs:9:14
|
LL | let c1 = || {
| ^^ this closure implements `FnOnce`, not `FnMut`
...
LL | drop::<U>(_x1);
| --- closure is `FnOnce` because it moves the variable `_x1` out of its environment
...
LL | accept_fn_mut(&c1);
| ------------- --- the requirement to implement `FnMut` derives from here
| |
| required by a bound introduced by this call
|
note: required by a bound in `accept_fn_mut`
--> $DIR/move-ref-patterns-closure-captures.rs:4:31
|
LL | fn accept_fn_mut(_: &impl FnMut()) {}
| ^^^^^^^ required by this bound in `accept_fn_mut`
error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
--> $DIR/move-ref-patterns-closure-captures.rs:9:14
|
LL | let c1 = || {
| ^^ this closure implements `FnOnce`, not `Fn`
...
LL | drop::<U>(_x1);
| --- closure is `FnOnce` because it moves the variable `_x1` out of its environment
...
LL | accept_fn(&c1);
| --------- --- the requirement to implement `Fn` derives from here
| |
| required by a bound introduced by this call
|
note: required by a bound in `accept_fn`
--> $DIR/move-ref-patterns-closure-captures.rs:5:27
|
LL | fn accept_fn(_: &impl Fn()) {}
| ^^^^ required by this bound in `accept_fn`
error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnMut`
--> $DIR/move-ref-patterns-closure-captures.rs:20:14
|
LL | let c2 = || {
| ^^ this closure implements `FnMut`, not `Fn`
...
LL | drop::<&mut U>(_x2);
| --- closure is `FnMut` because it mutates the variable `_x2` here
...
LL | accept_fn(&c2);
| --------- --- the requirement to implement `Fn` derives from here
| |
| required by a bound introduced by this call
|
note: required by a bound in `accept_fn`
--> $DIR/move-ref-patterns-closure-captures.rs:5:27
|
LL | fn accept_fn(_: &impl Fn()) {}
| ^^^^ required by this bound in `accept_fn`
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0525`.
|
