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1.0 KiB

listat

Instructions

Write a function ListAt that takes a pointer to the list l and an int pos as parameters. This function should return the NodeL in the position pos of the linked list l.

  • In case of error the function should return nil.

Expected function and structure

type NodeL struct {
	Data interface{}
	Next *NodeL
}


func ListAt(l *NodeL, pos int) *NodeL{

}

Usage

Here is a possible program to test your function :

package main

import (
	"fmt"
	piscine ".."
)

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

	piscine.ListPushBack(link, "hello")
	piscine.ListPushBack(link, "how are")
	piscine.ListPushBack(link, "you")
	piscine.ListPushBack(link, 1)

	fmt.Println(piscine.ListAt(link.Head, 3).Data)
	fmt.Println(piscine.ListAt(link.Head, 1).Data)
	fmt.Println(piscine.ListAt(link.Head, 7))
}

And its output :

student@ubuntu:~/[[ROOT]]/test$ go build
student@ubuntu:~/[[ROOT]]/test$ ./test
you
hello
<nil>
student@ubuntu:~/[[ROOT]]/test$