variadic-functions.go

package main

import "fmt"

func sum(nums ...int) {
	fmt.Print(nums, " ")
	total := 0
	for _, num := range nums {
		total += num
	}
	fmt.Println(total)
}

func main() {
	sum(1, 2)
	sum(1, 2, 3)

	nums := []int{1,2,3,4}
	sum(nums...)
}

/*
$ go run src/variadic-functions/variadic-functions.go
[1 2] 3
[1 2 3] 6
[1 2 3 4] 10
*/