switch-slice.go

package main

import (
	"fmt"
	"reflect"
)

func switchFunc(c interface{}) {
	v := reflect.ValueOf(c)
	switch v.Kind() {
	case reflect.String:
		fmt.Println("string", v.String())
	case reflect.Slice:
		for i := 0; i < v.Len(); i++ {
			fmt.Println("slice", i, v.Index(i))
		}
	default:
		fmt.Println("default", v)
	}
}

func main() {
	a := []string{
		"郭富成",
		"古天乐",
		"刘德华",
	}
	var b []interface{}
	for k, v := range a {
		fmt.Println(k, v)
		b = append(b, v)
	}
	var c interface{} = b
	switchFunc(c)

	ss := "郭富成, 郭富2"
	switchFunc(ss)
}