/*
* A program to investigate the order of evaluation of actual args
* to a function in Go.
* While every test I run says it is right to left, as does this program,
* the language docs are mum, so there is no guarantee of L-R
*
* @author gtowell
* created: July 29, 2021
 */
package main

import "fmt"

var a int

/*
* Increment the global variable a by 7
* @return the value of the global a
*/
func a7() int {
	a+=7
	return a;
}

/*
* Multiply the global var a by 13
* @return the value of a
*/
func a13() int {
	a *= 13
	return a;
}

/*
* Print the value of the the two passes args
* @param a2 an integer
* @param a3 another integer
*/
func b(a2 int, a3 int) {
	fmt.Printf("B %d %d\n", a2, a3)
}

func main() {
	for i:=0; i<20; i++ {
		b(a13(), a7())
		a=0  // reset the value of a after each loop
	}
	b(a7(), a13()) // reverse the functions
}