functions

// Functions are declared thusly
// func function_name(varname vartype, ...) vartype { }

func example(x int, y int) int {
    return x * y
}

func example2( x, y int) int {
    return x + y
}

func example3(x, y int) (int, string) {
    return (x*y), "Use i,s := example3(5, 9)"
}

func example4(x int) (y, z int) {
    // Here the return variables are explicitly named in the function declaration
    y = x / 10
    z = x * 10
    // This allows us to do a naked return with implicit values
    return
}