control-flow.rs

fn main() {
let age = 18;
if x < 18 {
    println!('you are too young');
    } else if x == 18 {
         println!('you are just the right age');
         } else {
         println!(' wow, you are old, enjoy !!! ');
}
         
         //while
         fn while_statement() {
    let mut x = 0;
    while x != 42 {
        x += 1;
    }
    println!("x is {}", x);
}
         
         // for 
         
         fn main() {
    for x in 0..5 {
        println!("{}", x);
    }

    for x in 0..=5 {
        println!("{}", x);
    }
}
         
         
         // match / same as switch statement in JS
         
         fn main() {
    let x = 42;

    match x {
        0 => {
            println!("found zero");
        }
        // we can match against multiple values
        1 | 2 => {
            println!("found 1 or 2!");
        }
        // we can match against ranges
        3..=9 => {
            println!("found a number 3 to 9 inclusively");
        }
        // we can bind the matched number to a variable
        matched_num @ 10..=100 => {
            println!("found {} number between 10 to 100!", matched_num);
        }
        // this is the default match that must exist if not all cases are handled
        _ => {
            println!("found something else!");
        }
    }
}

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  // from https://tourofrust.com/