Another update from ingydotnet^djgoku

Task/Sort-stability/Elixir/sort-stability-1.elixir

@@ -0,0 +1,9 @@
+cities = [ {"UK", "London"},
+           {"US", "New York"},
+           {"US", "Birmingham"},
+           {"UK", "Birmingham"} ]
+
+IO.inspect Enum.sort(cities)
+IO.inspect Enum.sort(cities, fn a,b -> elem(a,0) >= elem(b,0) end)
+IO.inspect Enum.sort_by(cities, fn {country, _city} -> country end)
+IO.inspect Enum.sort_by(cities, fn {_country, city} -> city end)

Task/Sort-stability/Elixir/sort-stability-2.elixir

@@ -0,0 +1 @@
+IO.inspect Enum.sort(cities, fn a,b -> elem(a,0) > elem(b,0) end)