#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(try_trait_v2)]
use std::ops::{ControlFlow, FromResidual};
fn main() {
    assert_eq!(Result::< String, i64 >::from_residual(Err(3_u8)), Err(3));
    assert_eq!(Option::< String >::from_residual(None), None);
    assert_eq!(
        ControlFlow::< _, String >::from_residual(ControlFlow::Break(5)),
        ControlFlow::Break(5),
    );
}