trying_out_go/cmd/headFirstCodeMagnets/variadic.go

package main

import "fmt"

func sum(numbers ...int) int {
	var sum = 0

	for _, number := range numbers {
		sum += number
	}

	return sum
}

func main() {
	fmt.Println(sum(4, 1, 9, 2))
	fmt.Println(sum(7))
}