lib/ravensat/ast/initial_node.rb in ravensat-1.0.8 vs lib/ravensat/ast/initial_node.rb in ravensat-1.0.9

@@ -1,13 +1,17 @@
 module Ravensat
   class InitialNode < Node
     def &(object)
       raise TypeError.new("#{object.class} can't be coerced into Ravensat::Node") unless object.is_a? Node
+      return self if object.is_a? NilNode
+
       object
     end
 
     def |(object)
       raise TypeError.new("#{object.class} can't be coerced into Ravensat::Node") unless object.is_a? Node
+      return self if object.is_a? NilNode
+
       object
     end
   end
 end