Merge branch 'master' of git://github.com/weplay/geokit-gem into wepl…

…ay/master

lib/geokit/mappable.rb

@@ -251,6 +251,14 @@ def ==(other)
       other.is_a?(LatLng) ? self.lat == other.lat && self.lng == other.lng : false
     end
 
+    def hash
+      lat.hash + lng.hash
+    end
+
+    def eql?(other)
+      self == other
+    end
+
     # A *class* method to take anything which can be inferred as a point and generate
     # a LatLng from it. You should use this anything you're not sure what the input is,
     # and want to deal with it as a LatLng if at all possible. Can take:

test/test_latlng.rb

@@ -128,5 +128,21 @@ def test_normalize
     res=Geokit::LatLng.normalize([lat,lng])
     assert_equal res,Geokit::LatLng.new(lat,lng)
   end
-
+
+  def test_hash
+    lat=37.7690
+    lng=-122.443
+    first = Geokit::LatLng.new(lat,lng)
+    second = Geokit::LatLng.new(lat,lng)
+    assert_equal first.hash, second.hash
+  end
+
+  def test_eql?
+    lat=37.7690
+    lng=-122.443
+    first = Geokit::LatLng.new(lat,lng)
+    second = Geokit::LatLng.new(lat,lng)
+    assert first.eql?(second)
+    assert second.eql?(first)
+  end
 end