golang将interface{}转换为struct

项目中需要用到golang的队列，container/list，需要放入的元素是struct，但是因为golang中list的设计，从list中取出时的类型为interface{}，所以需要想办法把interface{}转换为struct。

这里需要用到interface assertion，具体操作见下面代码：

 package main

 import (
     "container/list"
     "fmt"
     "strconv"
 )

 type People struct {
     Name string
     Age  int
 }

 func main() {
     // Create a new list and put some numbers in it.
     l := list.New()
     l.PushBack(People{"zjw", })

     // Iterate through list and print its contents.
     e := l.Front()
     p, ok := (e.Value).(People)
     if ok {
         fmt.Println("Name:" + p.Name)
         fmt.Println("Age:" + strconv.Itoa(p.Age))
     } else {
         fmt.Println("e is not an People")
     }
 }