loop in rust

loop.rs

fn main (){
  //define a for loop 
    for i in 0..3 {
      println!("{}", i);
    }
    
  // define while loop 
  let mut x = 3; 
  while (x > 0){
    x -= 1 ;
    println!("{}", x);
  }
  
  // define loop 
  // this will be infintie if we don't put a condition
  //define an integer variable
  let mut var = 1; 
  // define a while loop
  loop {
      var = var + 1;
      println!("{}", var);
  }
}