package main

import "fmt"

type Integer16 int16  
type Integer32 int32  
type Calculator interface {  
    Calculate()
}

func (i Integer16) Calculate() { /* behavior here */ }  
func (i Integer32) Calculate() { /* behavior here */ }

func main() {  
    container := []Calculator{Integer16(1),Integer32(2)}
    fmt.Println(container)
}