Golang之实现（链表）

package main

import "fmt"

type LinkNode struct {
    data interface{}
    next *LinkNode
}
type Link struct {
    head *LinkNode
    tail *LinkNode
}

func (p *Link) InsertHead(data interface{}) {
    node := &LinkNode{
        data: data,
        next: nil,
    }
    if p.tail == nil && p.head == nil {
        p.tail = node
        p.head = node
        return
    }
}

func (p *Link) InsertTail(data interface{}) {
    node := &LinkNode{
        data: data,
        next: nil,
    }
    if p.tail == nil && p.head == nil {
        p.tail = node
        p.head = node
        return
    }
    p.tail.next = node
    p.tail = node
}
func (p *Link)Trans(){
    q:=p.head
    for q!=nil{
        fmt.Println(q.data)
        q=q.next
    }
}

package main

import "fmt"

func main() {

    var link Link
    for i := 0; i < 10; i++ {

        //link.InsertHead(i)
        link.InsertTail(fmt.Sprintf("str %d",i))
    }
    link.Trans()
}