count-index.go
func (index *CountIndex) KNearest(point Point, k int, maxDistance Meters, accept func(p Point) bool) []Point {
	panic("Unsupported operation")
}
func (index *CountIndex) KNearest(point Point, k int, maxDistance Meters, accept func(p Point) bool) []Point {
	panic("Unsupported operation")
}
func ( index * CountIndex ) KNearest ( point Point , k int , maxDistance Meters , accept func ( p Point ) bool ) [ ] Point { panic ( " " ) }
// KNearest just to satisfy an interface. Doesn't make much sense for count index.
KNearest just to satisfy an interface . Doesn t make much sense for count index .