D语言使用元组模板的元组

import std.stdio; 
import std.typecons; 

void main() { 
   auto myTuple = Tuple!(int, "id",string, "value")(1, "Tuts"); 
   writeln(myTuple);  

   writeln("by index 0 : ", myTuple[0]); 
   writeln("by .id : ", myTuple.id); 

   writeln("by index 1 : ", myTuple[1]); 
   writeln("by .value ", myTuple.value); 
}