elixir map protocol

elixir.map.protocol.markdown

defimpl String.Chars, for: Map do                                                      
                                                                                       
  import Kernel, except: [to_string: 1]                                                
                                                                                       
  def to_string(m) when is_map(m) do                                                                  
    #for i <- Map.to_list(m), do: "#{to_string(elem(i,0))} -> #{to_string(elem(i,1))}"  
    "#{inspect(m)}"
  end                                                                                  
  
  #def to_string(a) when is_atom(a) do
  #  :erlang.atom_to_binary(a,:latin1)      
  #end
  
  #def to_string(x) do
  #  "#{inspect(x)}"
  #end
end