গো ফাংশন

package main
import "fmt"

func message() {
  fmt.Println("হ্যালো বিশ্ব")
}

func main() {
  message()
}

package main
import "fmt"

func message() {
  fmt.Println("হ্যালো বিশ্ব")
}

func main() {
  message()
}

package main
import "fmt"

func message() string {
  return "হ্যালো বিশ্ব"
}

func main() {
  fmt.Println(message())
}

package main
import "fmt"

func message() {
  fmt.Println("হ্যালো বিশ্ব")
}

func main() {
  message()
}

package main
import "fmt"

func main() {

  message := func() {
    fmt.Println("হ্যালো বিশ্ব")
  }

  message()
}

package main
import "fmt"

func main() {

  message := func(text string) string {
    return text
  }

  fmt.Println(message("হ্যালো বিশ্ব"))
}

package main
import "fmt"

func user(name string, land string) string {
  return name + " - " + land
}

func main() {
  fmt.Println(user("আরিফ", "বাংলাদেশ"))
}

package main
import "fmt"

func user(name string, land string) {
  fmt.Println(name + " - " + land)
}

func main() {
  user("আরিফ", "বাংলাদেশ")
}

package main
import "fmt"

func reference(number *int) {
  *number = 123456
}

func main() {

  number := 100

  reference(&number)

  fmt.Println(number)
}

package main
import "fmt"

func sum(numbers ...int) int {

  result := 0

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

  return result
}

func main() {
  fmt.Println(sum(10, 15, 10, 25))
}

package main
import "fmt"

func sum(numbers ...int) int {

  result := 0

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

  return result
}

func main() {

  numbers := []int{10, 15, 10, 25}

  fmt.Println(sum(numbers...))
}

package main
import "fmt"

func counter(number int) {

  if number <= 0 {
    return
  }

  fmt.Println("নাম্বার", number)

  counter(number - 1)
}

func main() {
  counter(10)
}

package main
import "fmt"

func outer() {

  inner := func() string {
    return "হ্যালো বিশ্ব"
  }

  fmt.Println(
    inner(),
  )
}

func main() {
  outer()
}

package main
import "fmt"

func message() string {
  return "হ্যালো বিশ্ব"
}

func main() {

  function := message

  fmt.Println(
    function(),
  )
}

package main
import "fmt"

func message(text string) string {
  return text
}

func call(callback func(string) string) {
  fmt.Println(callback("হ্যালো বিশ্ব"))
}

func main() {
  call(message)
}

package main
import "fmt"

func user() (string, string) {
  return "আরিফ", "বাংলাদেশ"
}

func main() {

  name, land := user()

  fmt.Println(name + " - " + land)
}