lib/mutant/matcher/null.rb in mutant-0.5.24 vs lib/mutant/matcher/null.rb in mutant-0.5.25

@@ -1,9 +1,9 @@
 module Mutant
   class Matcher
     # A null matcher, that does not match any subjects
     class Null < self
-      include Equalizer.new
+      include Concord.new
 
       # Enumerate subjects
       #
       # @return [Enumerator<Subject]
       #   if no block given