elucian

#define a value holder function
# => True
def switch(value):
    switch.value=value
    return True

#define matching case function
# => True or False
def case(*args):
    return any((arg == switch.value for arg in args))

elucian

import 'dart:math';
  
void main() {
  var rng = new Random();
  for (int i = 0; i < 21; i++) {
    var v = rng.nextInt(5);  
    switch (v) {
      case 1:
          print("v=$v first case");
          break;