   defimpl Inspect do
     import Inspect.Algebra
 
-    def inspect(set, opts) do
-      concat ["#MapSet<", Inspect.List.inspect(MapSet.to_list(set), opts), ">"]
+    def inspect(map_set, opts) do
+      concat ["#MapSet<", Inspect.List.inspect(MapSet.to_list(map_set), opts), ">"]
     end
   end
 end

  end

  @doc """
  Checks if `set1` and `set2` have no members in common.

  ## Examples



  """
  @spec put(t(val), new_val) :: t(val | new_val) when val: value, new_val: value
  def put(%MapSet{map: map} = map_set, value) do
    %{map_set | map: Map.put(map, value, true)}
  end

  @doc """
  Returns the number of elements in `map_set`.

  ## Examples

