package main import ( "fmt" "strconv" ) type TwoInts struct { a int b int } func main() { two1 := new(TwoInts) two1.a = 12 two1.b = 10 fmt.Printf("two1 is: %v\n", two1) fmt.Println("two1 is:", two1) fmt.Printf("two1 is: %T\n", two1) fmt.Printf("two1 is: %#v\n", two1) } func (tn *TwoInts) String() string { return "(" + strconv.Itoa(tn.a) + " / " + strconv.Itoa(tn.b) + ")" }