polish off api

lib/auto_linker.ex

@@ -59,7 +59,7 @@ defmodule AutoLinker do
   Note that passing opts to `link/2` will override the configuration settings.
   """
   def link(text, opts \\ []) do
-    parse({text, nil}, opts) |> elem(0)
+    parse(text, opts)
   end
 
   def link_map(text, acc, opts \\ []) do

lib/auto_linker/parser.ex

@@ -66,6 +66,7 @@ defmodule AutoLinker.Parser do
   @default_opts ~w(url)a
 
   def parse(input, opts \\ %{})
+  def parse(input, opts) when is_binary(input), do: parse({input, nil}, opts) |> elem(0)
   def parse(input, list) when is_list(list), do: parse(input, Enum.into(list, %{}))
 
   def parse(input, opts) do