playing with overriding hash and equals

gistfile1.rb

class Point
  attr_accessor :lat, :lon, :title, :content

  def initialize(lat, lon, title, content)
    @lat = lat
    @long = lon
    @title = title
    @content = content
  end

  def ==(other)
    other.hash == self.hash
  end
  alias :eql? :==
  
  def hash
    self.lat.hash + self.lon.hash + self.title.hash
  end

end

points = []

points << Point.new(1,2,'airport','lax')
points << Point.new(10,20,'airport','dfw')
points << Point.new(1,2,'airport','lax')
points << Point.new(100,200,'airport','akl')

points.uniq!

puts points.inspect