rest operator

Node.js

  1. function sum(...nums) {
  2.     let t = 0
  4.     for (let n of nums) {
  5.         t += n
  6.     }
  8.     return t
  9. }
  11. const total = sum(1, 2, 3, 4, 5)
  12. console.log(total)

Output

  1. 15

Go

  1. package main
  3. import "fmt"
  5. func sum(nums ...int) int {
  6.     var t int
  7.     for _, n := range nums {
  8.         t += n
  9.     }
  11.     return t
  12. }
  14. func main() {
  15.     total := sum(1, 2, 3, 4, 5)
  16.     fmt.Println(total)
  17. }

Output

  1. 15