defprotocol Digger.Stringifier do @moduledoc """ Documentation for Digger.Stringifier Protocol """ @fallback_to_any true alias Digger.Types @doc """ 'Stringify' a valid Types.data_type according to the protocol implementation """ @spec stringify(Types.data_type(), keyword()) :: Types.valid_return_type() def stringify( data_type, opts \\ [type: :key, key_transform: :stringify, value_transform: :none] ) end