Cacher is the code snippet organizer for pro developers

/**
 * Definition for singly-linked list.
 * type ListNode struct {
 *     Val int
 *     Next *ListNode
 * }
 */
func reverseList(head *ListNode) *ListNode {
    if head == nil {
        return nil
    }
    p := head.Next
    head.Next = nil
    for p != nil {
        cur := p
        p = p.Next
        cur.Next = head
        head = cur
    }
    return head
}