Add protocol implementation for References

BjRo · Jun 22, 2015 · 7737eb2 · 7737eb2
1 parent 1286665
commit 7737eb2
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diff --git a/lib/apex/format.ex b/lib/apex/format.ex
@@ -3,6 +3,14 @@ defprotocol Apex.Format do
   def format(data, options \\ [])
 end
 
+defimpl Apex.Format, for: Reference do
+  import Apex.Format.Utils
+
+  def format(data, options \\ []) do
+    colorize(inspect(data), data, options) <> new_line
+  end
+end
+
 defimpl Apex.Format, for: BitString do
   import Apex.Format.Utils
 

diff --git a/test/format_test.exs b/test/format_test.exs
@@ -2,6 +2,11 @@ defmodule Apex.Format.Test do
   use ExUnit.Case
   import Apex.Format
 
+  test "Can format references" do
+    reference = make_ref
+    assert format(reference, color: false) =~ ~r/#Reference<\d\.\d\.\d\.\d+>/
+  end
+
   test "Can format a list of strings" do
     assert format(~w(a b c d), color: false) == """
     [