In this tutorial, we are going to learn about Back() function in list package in go golang. Back() function is used to get the last element of list in go golang.
Function proto type:
func (l *List) Back() *Element
Back() function:
Back() function returns the last element of list or nil if the list is empty.
Example to use Back() function in list:
package main
import (
"container/list"
"fmt"
)
func main() {
// Create a new list and insert elements in it.
l := list.New()
l.PushBack(1) // 1
l.PushBack(2) // 1 -> 2
l.PushBack(3) // 1 -> 2 -> 3
// get the head of the list
ele := l.Back()
fmt.Println(ele.Value)
}
Output:
3
To learn more about golang, Please refer given below link:
https://techieindoor.com/go-lang-tutorial/
References:
https://golang.org/doc/
https://golang.org/pkg/
https://golang.org/pkg/fmt/
https://golang.org/pkg/fmt/#Println
https://golang.org/pkg/container/list/