Summing Integer Linked List

sum_int_ll.go

package main

import "fmt"

type IntList struct {
	Value int
	Next  *IntList
}

// A nil `IntList` represents the empty list
func (l *IntList) Sum() int {
	if l == nil {
		return 0
	}

	return l.Value + l.Next.Sum()
}

func main() {
	h := IntList{1, nil}
	i := IntList{2, &h}
	j := IntList{3, &i}
	k := IntList{4, &j}
	l := IntList{5, &k}

	fmt.Println(l.Sum())
}