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//@ edition:2018
struct S {
foo: usize,
}
impl S {
async fn bar(&self) { //~ HELP consider changing this to be a mutable reference
//~| SUGGESTION mut
self.foo += 1; //~ ERROR cannot assign to `self.foo`, which is behind a `&` reference [E0594]
}
}
fn main() {
S { foo: 1 }.bar();
}
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