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|
error[E0382]: use of moved value: `f`
--> $DIR/borrow-closures-instead-of-move.rs:3:22
|
LL | fn takes_fn(f: impl Fn()) {
| - move occurs because `f` has type `impl Fn()`, which does not implement the `Copy` trait
LL | loop {
| ---- inside of this loop
LL | takes_fnonce(f);
| ^ value moved here, in previous iteration of loop
|
note: consider changing this parameter type in function `takes_fnonce` to borrow instead if owning the value isn't necessary
--> $DIR/borrow-closures-instead-of-move.rs:34:20
|
LL | fn takes_fnonce(_: impl FnOnce()) {}
| ------------ ^^^^^^^^^^^^^ this parameter takes ownership of the value
| |
| in this function
help: consider borrowing `f`
|
LL | takes_fnonce(&f);
| +
error[E0382]: use of moved value: `m`
--> $DIR/borrow-closures-instead-of-move.rs:14:18
|
LL | fn takes_fn_mut(m: impl FnMut()) {
| - move occurs because `m` has type `impl FnMut()`, which does not implement the `Copy` trait
LL | if maybe() {
LL | takes_fnonce(m);
| - value moved here
...
LL | takes_fnonce(m);
| ^ value used here after move
|
note: consider changing this parameter type in function `takes_fnonce` to borrow instead if owning the value isn't necessary
--> $DIR/borrow-closures-instead-of-move.rs:34:20
|
LL | fn takes_fnonce(_: impl FnOnce()) {}
| ------------ ^^^^^^^^^^^^^ this parameter takes ownership of the value
| |
| in this function
help: consider mutably borrowing `m`
|
LL | takes_fnonce(&mut m);
| ++++
error[E0382]: borrow of moved value: `closure`
--> $DIR/borrow-closures-instead-of-move.rs:25:5
|
LL | takes_fnonce(closure);
| ------- value moved here
LL |
LL | closure();
| ^^^^^^^ value borrowed here after move
|
note: closure cannot be moved more than once as it is not `Copy` due to moving the variable `x` out of its environment
--> $DIR/borrow-closures-instead-of-move.rs:21:9
|
LL | x += 1;
| ^
help: consider mutably borrowing `closure`
|
LL | takes_fnonce(&mut closure);
| ++++
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0382`.
|
