use std::ops::ControlFlow;
fn foo() {
loop {
let mut n = 1;
if let ControlFlow::Break(_) = fun_name(n) {
break;
}
let h = 1;
}
}
fn fun_name(n: i32) -> ControlFlow<()> {
let m = n + 1;
if m == 42 {
return ControlFlow::Break(());
}
ControlFlow::Continue(())
}
fn main() {}