fn main() -> Result<(),()> { let @0,1⦊mut countdown = 10⦉@0,1 ; @2,3,4⦊for _⦉@2,3,4 in @0,1⦊0..10⦉@0,1 { @6,8⦊countdown -= 1⦉@6,8 ; if @9⦊countdown < 5⦉@9 { @10,12,13,14⦊call(/*return_error=*/ true)?⦉@10,12,13,14; } else { @11,21,22⦊call(/*return_error=*/ false)?⦉@11,21,22; } } @5⦊Ok(())⦉@5 }@31⦊⦉@31