   @compile {:inline, fetch: 2, put: 3, delete: 2, has_key?: 2}
 
   @doc """
-  Returns all keys from the map.
+  Returns all keys from `map`.
 
   ## Examples
 

  end

  @doc """
  Returns and removes all values associated with `key` in the `map`.

  ## Examples


  end

  @doc """
  Creates a map from an `enumerable` via the transformation function.

  Duplicated entries are removed; the latest one prevails.

