function-in-go.go

package main;

import "fmt"

type Salutation struct {
    name string
    greeting string
}

type Printer func(string) ()

func Greet(salutation Salutation, do Printer) {
    message, alternative := CreateMessage(salutation.name, salutation.greeting, "yo", "hey");
    do(message)
    do(alternative)
}

func CreateMessage(name string, greeting ...string) (message string, alternate string) {
    fmt.Println(len(greeting))

    message = greeting[1] + " " + name
    alternate = "Hey " + name

    return
}

func Print(s string) {
    fmt.Print(s)
}

func PrintLine(s string) {
    fmt.Println(s)
}

func CreatePrintFunction(custom string) Printer {
    return func(s string){
        fmt.Println(s + custom)
    }

}

func main() {
   var s = Salutation{"Jacob", "Hello"}

    Greet(s, CreatePrintFunction("!!!"))
}