lib/totally_lazy/predicates.rb in totally_lazy-0.1.25 vs lib/totally_lazy/predicates.rb in totally_lazy-0.1.26

@@ -1,6 +1,14 @@
 module Predicates
   private
   def _not(pred)
     -> (bool) { !pred.(bool) }
   end
+
+  def is_left?
+    -> (either) { either.is_left? }
+  end
+
+  def is_right?
+    -> (either) { either.is_right? }
+  end
 end
\ No newline at end of file