Go language list what are the ways in which List can get elements
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Golang's list elements can be obtained by using the built-in Front function to obtain the head node, using the Back function to obtain the tail node, using Prev to obtain the previous node, and using Next to obtain the next node.
1. Obtain column header node
Front() *Element
package mainimport ( "container/list" "fmt")func main() { fmt.Println("www.haicoder.net") //Use the built-in Front() function to get the head node of the list listHaiCoder := list.New() listHaiCoder.PushFront("Hello") listHaiCoder.PushFront("HaiCoder") listHaiCoder.PushFront("Haike") element := listHaiCoder.Front() fmt.Println("Front =", element.Value)}
Use the built-in Front() function to get the head node of the list.
2. Get the list tail node
Back () *Element
package mainimport ( "container/list" "fmt")func main() { fmt.Println("www.haicoder.net") //Use the built-in Back() function to get the tail node of the list listHaiCoder := list.New() listHaiCoder.PushFront("Hello") listHaiCoder.PushFront("HaiCoder") listHaiCoder.PushFront("Haike") element := listHaiCoder.Back() fmt.Println("Back =", element.Value)}
Use the built-in Back() function to get the tail node of the list.
3. Get the previous node
Prev() *Element
package mainimport ( "container/list" "fmt")func main() { fmt.Println("www.haicoder.net") //Use the built-in Prev() function to get the previous node in the list listHaiCoder := list.New() listHaiCoder.PushFront("Hello") element := listHaiCoder.PushFront("HaiCoder") listHaiCoder.PushFront("Haike") preElement := element.Prev() fmt.Println("preElement =", preElement.Value)}
Use the built-in Prev() function to get the previous node in the list.
4. Get the next node
Next() *Element
package mainimport ( "container/list" "fmt")func main() { fmt.Println("www.haicoder.net") //Use the Next() function built into the list to get the next node in the list listHaiCoder := list.New() listHaiCoder.PushFront("Hello") element := listHaiCoder.PushFront("HaiCoder") listHaiCoder.PushFront("Haike") nextElement := element.Next() fmt.Println("nextElement =", nextElement.Value)}
Use the built-in Next() function to get the next node in the list.
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