Go switch

package main



import "fmt"



func main() {

   var x interface{}



   switch i := x.(type) {

      case nil:   

         fmt.Printf("type of x :%T",i)                

      case int:   

         fmt.Printf("x is int")                       

      case float64:

         fmt.Printf("x is float64")           

      case func(int) float64:

         fmt.Printf("x is func(int)")                      

      case bool, string:

         fmt.Printf("x is bool or string")       

      default:

         fmt.Printf("don't know the type")     

   }   

}