snowballword/snowballword.go
func (w *SnowballWord) slice(start, stop int) []rune {
	startMin := 0
	if start < startMin {
		start = startMin
	}
	max := len(w.RS) - 1
	if start > max {
		start = max
	}
	if stop > max {
		stop = max
	}
	return w.RS[start:stop]
}
func (w *SnowballWord) slice(start, stop int) []rune {
	startMin := 0
	if start < startMin {
		start = startMin
	}
	max := len(w.RS) - 1
	if start > max {
		start = max
	}
	if stop > max {
		stop = max
	}
	return w.RS[start:stop]
}
// Return a slice of w.RS, allowing the start
// and stop to be out of bounds.
//