Define IEx.dont_display_result in IO.ANSI.Docs

This removes all remaining references to IEx from IO.ANSI.Docs and makes the dont_display_result function more generic by replacing the "in iex" bit with "in output".

Author: Thomaz Leite

lib/elixir/lib/io/ansi/docs.ex

@@ -43,7 +43,7 @@ defmodule IO.ANSI.Docs do
     else
       IO.puts "* #{string}\n"
     end
-    IEx.dont_display_result
+    dont_display_result
   end
 
   defp write_doc_heading(heading, colors) do
@@ -68,9 +68,11 @@ defmodule IO.ANSI.Docs do
     else
       IO.puts doc
     end
-    IEx.dont_display_result
+    dont_display_result
   end
 
+  defp dont_display_result, do: :"do not show this result in output"
+
   defp process([], _indent, _colors), do: nil
 
   defp process(["# " <> heading | rest], _indent, colors) do

lib/iex/lib/iex.ex

@@ -343,7 +343,7 @@ defmodule IEx do
   end
 
   @doc false
-  def dont_display_result, do: :"do not show this result in iex"
+  def dont_display_result, do: :"do not show this result in output"
 
   ## Helpers