swift--tuple data type (tuples)

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? http://edu.51cto.com/roadmap/view/id-58.html

1. Definition of tuple constants/variables

2. Extract each meta-value from the tuple data

3. Name each element in the tuple data

 1  let Product1 = (20 ,  " iphone6  " , 5888  );  2  let product_name =  " iphone7   3  var  product2 = (30 ,  " \ (product_name)  , 18888  ); 4  println (Product1);  5  println (product2); 

 1  Let (id1, name1, Price1) = product2 //   3 values are given to these three constants respectively  2  println ( " id1=\ (ID1), name1=\ (name1), price1=\ (Price1)   "  3  4  Let (_, name2, _) = Product1 //  Only the name variable is required, and the other is represented by a glide line  5  println ( name2=\ (name2)  ); 

1 Let product3 = (+, Name:"iPhone8", Price:5988)  23println (product3.name); 4 println (Product3.price);

swift--tuple data type (tuples)