ranges/ranges.go
func (l *InclusiveRanges) Start() int {
	for _, b := range l.blocks {
		return b.Start()
	}
	return 0
}
func (l *InclusiveRanges) Start() int {
	for _, b := range l.blocks {
		return b.Start()
	}
	return 0
}
// Start returns the first value of the first range