package chart

// Tick represents a label on an axis.
type Tick struct {
	Value float64
	Label string
}

// Ticks is an array of ticks.
type Ticks []Tick

// Len returns the length of the ticks set.
func (t Ticks) Len() int {
	return len(t)
}

// Swap swaps two elements.
func (t Ticks) Swap(i, j int) {
	t[i], t[j] = t[j], t[i]
}

// Less returns if i's value is less than j's value.
func (t Ticks) Less(i, j int) bool {
	return t[i].Value < t[j].Value
}