lib/ravensat/ast/node.rb in ravensat-1.0.6 vs lib/ravensat/ast/node.rb in ravensat-1.0.7

@@ -61,13 +61,15 @@
 
       self if block_given?
     end
 
     def &(object)
+      raise TypeError.new("#{object.class} can't be coerced into Ravensat::Node") unless object.is_a? Node
       AndNode.new(self, object)
     end
 
     def |(object)
+      raise TypeError.new("#{object.class} can't be coerced into Ravensat::Node") unless object.is_a? Node
       OrNode.new(self, object)
     end
 
     def to_s
       self.class.name