 
   ## Examples
 
-      iex> d = Enum.into([a: 1, b: 2], dict_impl.new)
-      iex> d = Dict.update!(d, :a, fn(val) -> -val end)
-      iex> Dict.get(d, :a)
+      iex> dict = Enum.into([a: 1, b: 2], dict_impl.new)
+      iex> dict = Dict.update!(dict, :a, fn(val) -> -val end)
+      iex> Dict.get(dict, :a)
       -1
 
   """


  ## Examples

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

  """


  ## Examples

      iex> dict = Enum.into([a: 1], dict_impl.new)
      iex> Dict.has_key?(dict, :a)
      true
      iex> Dict.has_key?(dict, :b)
      false

  """
