Пример #1
0
// Deletes usr from tree at the given coords
func deleteUsr(mNS, mEW float64, usr *user.U, tree quadtree.T) {
	v := quadtree.PointViewP(mNS, mEW)
	pred := func(_, _ float64, e interface{}) bool {
		oUsr := e.(*user.U)
		return usr.Equiv(oUsr)
	}
	tree.Del(v, pred)
}