// Arrays in Go
// First the size of the array is a part of it
// hence when passing also need to show size
// Arrays are passed by value.  This means that the
// array and everything in the array is new pass
// Arrays also returned by value

package main

import "fmt"

func printArray(header string, theArra [5]int) {
	fmt.Printf("%-15v ", header)
	for _, val := range theArra {
		fmt.Printf("%3d,", val)
	}
	fmt.Printf("\n")
}

func changeArray(theArra [5]int) [5]int {
	for idx, val := range theArra {
		theArra[idx] = val + 100
	}
	printArray("end func", theArra)
	return theArra
}

func main() {
	var mainArra [5]int
	printArray("main start", mainArra)
	newArra := changeArray(mainArra)
	printArray("main end orig", mainArra)
	printArray("main end new", newArra)
}