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fn takes_fn(f: impl Fn()) {
loop {
takes_fnonce(f);
//~^ ERROR use of moved value
//~| HELP consider borrowing
}
}
fn takes_fn_mut(m: impl FnMut()) {
if maybe() {
takes_fnonce(m);
//~^ HELP consider mutably borrowing
}
takes_fnonce(m);
//~^ ERROR use of moved value
}
fn has_closure() {
let mut x = 0;
let mut closure = || {
x += 1;
};
takes_fnonce(closure);
//~^ HELP consider mutably borrowing
closure();
//~^ ERROR borrow of moved value
}
fn maybe() -> bool {
false
}
// Could also be Fn[Mut], here it doesn't matter
fn takes_fnonce(_: impl FnOnce()) {}
fn main() {}
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