package main
import (
"fmt"
"reflect"
)
func TestInterface(v interface{}) interface{} {
switch v.(type) {
case int:
// DO Something
return v.(int) + 10
case float64:
// DO Something
return v.(float64) + 22.3
}
return v
}
func main() {
t1 := TestInterface(10)
t2 := TestInterface(10.0)
fmt.Println(t1, reflect.TypeOf(t1).String())
fmt.Println(t2, reflect.TypeOf(t2).String())
}go run 输出：
20 int
32.3 float64
来自anson博客
