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README.md |
README.md
listlast
Instructions
Write a function ListLast
that returns the Data
interface of the last element of a linked list l
.
Expected function and structure
type NodeL struct {
Data interface{}
Next *NodeL
}
type List struct {
Head *NodeL
Tail *NodeL
}
func ListLast(l *List) interface{} {
}
Usage
Here is a possible program to test your function :
package main
import (
"fmt"
"piscine"
)
func main() {
link := &piscine.List{}
link2 := &piscine.List{}
piscine.ListPushBack(link, "three")
piscine.ListPushBack(link, 3)
piscine.ListPushBack(link, "1")
fmt.Println(piscine.ListLast(link))
fmt.Println(piscine.ListLast(link2))
}
And its output :
$ go run .
1
<nil>
$