class FakeRedis::GeoSet

def add(lon, lat, name)
  @points[name] = Point.new(lon, lat, name)
end

def get(name)
  @points[name]
end

def initialize
  @points = {}
end

def points_within_radius(center, radius)
  @points.values.select do |point|
    point.distance_to(center) <= radius
  end
end

def size
  @points.size
end