Function OptNumber

auxiliary.go:342–347

(l *State, index int, def float64)

}

func OptNumber(l *State, index int, def float64) float64 {
	if l.IsNoneOrNil(index) {
		return def
	}
	return CheckNumber(l, index)
}

func CheckInteger(l *State, index int) int {
	i, ok := l.ToInteger(index)