go_workshop/chapter_01/exercise_1.15/main.go

package main

import "fmt"

func add5Value(count int) {

  count += 5
  fmt.Println("add5Value     :", count)

}

func add5Point(count *int) {

  *count += 5
  fmt.Println("add5Point     :", *count)

}

func main() {

  var count int
  add5Value(count)
  fmt.Println("add5Value post:", count)

  add5Point(&count)
  fmt.Println("add5Point post:", count)

}