experiments

All kinds of coding experiments
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flow_of_control.rs (679B)

      1 fn main() {
      2     let mut opt = 2;
      3     let text = if opt == 1 {
      4         "option one"
      5     } else if opt == 2 {
      6         "option two"
      7     } else {
      8         "other"
      9     };
     10     println!("{}", text);
     11     println!("NESTING AND LABELS");
     12     'outer: loop {
     13         loop {
     14             println!("inner, count: {}", opt);
     15             opt += 1;
     16             if opt > 5 {
     17                 break 'outer;
     18             }
     19             if opt > 3 {
     20                 break;
     21             }
     22         }
     23         println!("outer")
     24     }
     25     println!("RETURNING FROM LOOP");
     26     let result = loop {
     27         opt += 1;
     28         if opt == 10 {
     29             break opt * 2;
     30         }
     31     };
     32     assert_eq!(result, 20);
     33 }