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ListNode.go
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ListNode.go
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package kit
import (
"fmt"
)
// ListNode 是链接节点
// 这个不能复制到*_test.go文件中。会导致Travis失败
type ListNode struct {
Val int
Next *ListNode
}
// List2Ints convert List to []int
func List2Ints(head *ListNode) []int {
// 链条深度限制,链条深度超出此限制,会 panic
limit := 100
times := 0
res := []int{}
for head != nil {
times++
if times > limit {
msg := fmt.Sprintf("链条深度超过%d,可能出现环状链条。请检查错误,或者放宽 l2s 函数中 limit 的限制。", limit)
panic(msg)
}
res = append(res, head.Val)
head = head.Next
}
return res
}
// Ints2List convert []int to List
func Ints2List(nums []int) *ListNode {
if len(nums) == 0 {
return nil
}
res := &ListNode{
Val: nums[0],
}
temp := res
for i := 1; i < len(nums); i++ {
temp.Next = &ListNode{
Val: nums[i],
}
temp = temp.Next
}
return res
}