Start basic pattern matching koans

2016-03-07 16:45:23 +02:00
parent e6aa96bf1a
commit 1a19c30ec1
3 changed files with 68 additions and 1 deletions
--- a/lib/blank_assertions.ex
+++ b/lib/blank_assertions.ex
@@ -29,6 +29,10 @@ defmodule BlankAssertions do
    ExUnit.Assertions.assert(value, opts)
  end

+  def refute(value, opts) do
+    ExUnit.Assertions.refute(value, opts)
+  end
+
  defp contains_blank?(expr) do
    {_, blank} = Macro.prewalk(expr, false, &blank?/2)
    blank