text: // Copyright © 2017 ChaiShushan <chaishushan{AT}gmail.com>.
  // License: https://creativecommons.org/licenses/by-nc-sa/4.0/
  
  package main
  
  import "C"
  
  func main() {}
  
  //export number_add_mod
  func number_add_mod(a, b, mod C.int) C.int {
  	return (a + b) % mod
  }
  