martincartledge/recursion_factorial_four.go

## recursion_factorial_four.go
func factorial(n int) int {
	// n = 4
	if n == 0 {
		return 1
	}
	return n * factorial(n-1)
}
	func factorial(n int) int {
	// n = 4
	if n == 0 {
	return 1
	}
	return n * factorial(n-1)
	}