Go - Selecting channels with priorities (solution)

main.go

func SelectWithPriorities(highPri <-chan int, lowPri <-chan int) int {
	select {
	case val := <-highPri:
		return val
	default:
		select {
		case val := <-highPri:
			return val
		case val := <-lowPri:
			return val
		}
	}
}