 
   ## Examples
 
-      iex> d = Enum.into([a: 1, b: 2, c: 3, d: 4], dict_impl.new)
-      iex> {d1, d2} = Dict.split(d, [:a, :c, :e])
-      iex> {Dict.to_list(d1) |> Enum.sort, Dict.to_list(d2) |> Enum.sort}
+      iex> dict = Enum.into([a: 1, b: 2, c: 3, d: 4], dict_impl.new)
+      iex> {dict1, dict2} = Dict.split(dict, [:a, :c, :e])
+      iex> {Dict.to_list(dict1) |> Enum.sort, Dict.to_list(dict2) |> Enum.sort}
       {[a: 1, c: 3], [b: 2, d: 4]}
 
-      iex> d = Enum.into([], dict_impl.new)
-      iex> {d1, d2} = Dict.split(d, [:a, :c])
-      iex> {Dict.to_list(d1), Dict.to_list(d2)}
+      iex> dict = Enum.into([], dict_impl.new)
+      iex> {dict1, dict2} = Dict.split(dict, [:a, :c])
+      iex> {Dict.to_list(dict1), Dict.to_list(dict2)}
       {[], []}
 
-      iex> d = Enum.into([a: 1, b: 2], dict_impl.new)
-      iex> {d1, d2} = Dict.split(d, [:a, :b, :c])
-      iex> {Dict.to_list(d1) |> Enum.sort, Dict.to_list(d2)}
+      iex> dict = Enum.into([a: 1, b: 2], dict_impl.new)
+      iex> {dict1, dict2} = Dict.split(dict, [:a, :b, :c])
+      iex> {Dict.to_list(dict1) |> Enum.sort, Dict.to_list(dict2)}
       {[a: 1, b: 2], []}
 
   """


  ## Examples

      iex> d = Enum.into([a: 1, b: 2], dict_impl.new)
      iex> Enum.sort(Dict.keys(d))
      [:a,:b]

  """


  ## Examples

      iex> dict = Enum.into([a: 1, b: 2], dict_impl.new)
      iex> Dict.size(dict)
      2

  """
