1package main
 2
 3import (
 4	"fmt"
 5	"math"
 6
 7	"gonum.org/v1/gonum/spatial/kdtree"
 8)
 9
10func main() {
11	var g galaxy = make([]Location, 1000)
12	for range 100 {
13		l := NewLocation()
14		fmt.Println(l)
15		g = append(g, l)
16	}
17	t := kdtree.New(g, false)
18	me := NewLocation()
19	keep := kdtree.NewNKeeper(5)
20	t.NearestSet(keep, me)
21
22	fmt.Println(me)
23	for _, l := range keep.Heap {
24		system := l.Comparable.(Location)
25		fmt.Printf("\t%s: %0.3f\n", system.String(), math.Sqrt(system.Distance(me)))
26	}
27}