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970 B

listclear

Instructions

Write a function ListClear that deletes all nodes from a linked list l.

  • Tip: assign the list's pointer to nil.

Expected function and structure

func ListClear(l *List) {

}

Usage

Here is a possible program to test your function :

package main

import (
	"fmt"

	"piscine"
)

type List = piscine.List
type Node = piscine.NodeL

func PrintList(l *List) {
	link := l.Head
	for link != nil {
		fmt.Print(link.Data, " -> ")
		link = link.Next
	}
	fmt.Println(nil)
}

func main() {
	link := &List{}

	piscine.ListPushBack(link, "I")
	piscine.ListPushBack(link, 1)
	piscine.ListPushBack(link, "something")
	piscine.ListPushBack(link, 2)

	fmt.Println("------list------")
	PrintList(link)
	piscine.ListClear(link)
	fmt.Println("------updated list------")
	PrintList(link)
}

And its output :

$ go run .
------list------
I -> 1 -> something -> 2 -> <nil>
------updated list------
<nil>
$