   end
 
   @doc """
-  Returns whether the given key exists in the given dict.
+  Returns whether the given `key` exists in the given `dict`.
 
   ## Examples
 

  end

  @doc """
  Check if two dicts are equal, if the dicts are of different types they're
  first converted to lists.

  ## Examples

  end

  @doc """
  Merges the given `enum` into `dict`. If one of the `enum` entries
  already exists in `dict`, the given function is invoked to resolve
  the conflict.

  ## Examples

