Question

How to use loop in Rust

Answer 1

fn main() {
    let mut counter = 0;
    loop {
        counter += 1;
        if counter == 4 {
            println!("continue");
            continue;
        }
        println!("{}", counter);
        if counter == 6 {
            println!("break");
            break; 
        }
    }
}




/*
run:

1
2
3
continue
5
6
break

*/

 

70+ SQL courses for beginners and professionals

Answer 2

fn main() {
    let mut counter = 0;

    let result = loop {
        counter += 1;

        if counter == 9 {
            break counter * 2;
        }
    };
    
    println!("{}", result);
}



  
/*
run:
  
18
  
*/

 

70+ SQL courses for beginners and professionals

Answer 3

fn main() {
    let x;
    
    loop { x = 3; break; }
    
    println!("{}", x)
}



  
/*
run:
  
3
  
*/

 

70+ SQL courses for beginners and professionals