遍历的问题

[Lei2050]

想尝试遍历所有元素，代码如下：
package main

import (
"fmt"
"skiplist-master/skiplist"
//"time"
//"math/rand"
)

type Role struct {
Score int64
Name string
}

func NewRole(s int64, n string) (*Role) {
return &Role{Score: s, Name: n}
}

func Print(sp _skiplist.SkipList) {
e := sp.SearchByIndex(0)
for {
if e == nil {
break
}
n, s := e.Key()
fmt.Printf("key:%v, %v, value:%+v\n", n, s, e.Val().(_Role))
if !e.Next() {
break
}
}
}

func main() {
sp := skiplist.New()
var i int64 = 0
//t1 := time.Now().UnixNano()
for ; i < 10; i++ {
r := NewRole(i * 10, fmt.Sprintf("n%v", i))
sp.Insert(r.Score, r.Name, r)
}

fmt.Printf("len:%v\n", sp.Len())
Print(sp)
}
不能遍历全部元素，而且以上代码每次运行的结果都不一样。
求指导，我该如何进行遍历？

[hydra13142]

package main

import (
    "fmt"
    "github.com/hydra13142/container/skiplist"
)

type Role struct {
    Score int64
    Name  string
}

func NewRole(s int64, n string) *Role {
    return &Role{Score: s, Name: n}
}

func Print(sp *skiplist.SkipList) {
    e := sp.SearchByIndex(0)
    for {
        if e == nil {
            break
        }

        n, s := e.Key()
        fmt.Printf("key:%v, %v, value:%+v\n", n, s, e.Val().(*Role))
        if !e.Next() {
            break
        }

    }
}

func main() {
    sp := skiplist.New()
    var i int64 = 0
    for ; i < 10; i++ {
        r := NewRole(i*10, fmt.Sprintf("n%v", i))
        sp.Insert(r.Score, r.Name, r)
    }
    fmt.Printf("len:%v\n", sp.Len())
    Print(sp)
}

我用上面的代码测试了一下，没有问题。测试环境win7 32bit。

这个库并没有设计为并发安全的，读、写都不是并发安全的。

[Lei2050]

感谢回复，我在Centos系统（Linux version2.6.18）上运行的结果很怪异，go版本1.1，连续运行五次，结果如下：
[lhb@localhost hello]$ ./sl4
len:10
key:0, n0, value:&{Score:0 Name:n0}
key:10, n1, value:&{Score:10 Name:n1}
key:20, n2, value:&{Score:20 Name:n2}
key:30, n3, value:&{Score:30 Name:n3}
key:40, n4, value:&{Score:40 Name:n4}
key:50, n5, value:&{Score:50 Name:n5}
key:60, n6, value:&{Score:60 Name:n6}
key:70, n7, value:&{Score:70 Name:n7}
key:80, n8, value:&{Score:80 Name:n8}
key:90, n9, value:&{Score:90 Name:n9}
[lhb@localhost hello]$ ./sl4
len:10
key:0, n0, value:&{Score:0 Name:n0}
key:10, n1, value:&{Score:10 Name:n1}
key:90, n9, value:&{Score:90 Name:n9}
[lhb@localhost hello]$ ./sl4
len:10
key:0, n0, value:&{Score:0 Name:n0}
key:10, n1, value:&{Score:10 Name:n1}
key:20, n2, value:&{Score:20 Name:n2}
key:30, n3, value:&{Score:30 Name:n3}
key:40, n4, value:&{Score:40 Name:n4}
key:50, n5, value:&{Score:50 Name:n5}
key:60, n6, value:&{Score:60 Name:n6}
key:70, n7, value:&{Score:70 Name:n7}
key:80, n8, value:&{Score:80 Name:n8}
key:90, n9, value:&{Score:90 Name:n9}
[lhb@localhost hello]$ ./sl4
len:10
key:0, n0, value:&{Score:0 Name:n0}
key:10, n1, value:&{Score:10 Name:n1}
key:20, n2, value:&{Score:20 Name:n2}
key:30, n3, value:&{Score:30 Name:n3}
key:40, n4, value:&{Score:40 Name:n4}
key:50, n5, value:&{Score:50 Name:n5}
key:60, n6, value:&{Score:60 Name:n6}
key:70, n7, value:&{Score:70 Name:n7}
key:80, n8, value:&{Score:80 Name:n8}
key:90, n9, value:&{Score:90 Name:n9}
[lhb@localhost hello]$ ./sl4
len:10
key:0, n0, value:&{Score:0 Name:n0}
key:40, n4, value:&{Score:40 Name:n4}
key:70, n7, value:&{Score:70 Name:n7}
key:80, n8, value:&{Score:80 Name:n8}

可能是系统问题吧。