Dart语言continue语句

void main() { 
   var num = 0; 
   var count = 0; 
   for(num = 0;num<=20;num++) { 
      if (num % 2==0) { 
         continue; 
      } 
      count++; 
   } 
   print(" The count of odd values between 0 and 20 is: ${count}"); 
}