Dart语言位运算符

void main() { 
   var a = 2;  // Bit presentation 10 
   var b = 3;  // Bit presentation 11 

   var result = (a & b); 
   print("(a & b) => ${result}");    
   result = (a | b); 
   print("(a | b) => ${result}");
   result = (a ^ b); 
   print("(a ^ b) => ${result}"); 

   result = (~b); 
   print("(~b) => ${result}");  

   result = (a < b); 
   print("(a < b) => ${result}"); 

   result = (a > b); 
   print("(a > b) => ${result}"); 
}