lib/dentaku/calculator.rb in dentaku-3.4.1 vs lib/dentaku/calculator.rb in dentaku-3.4.2

@@ -57,10 +57,10 @@
       } if expression.is_a? Array
 
       store(data) do
         node = expression
         node = ast(node) unless node.is_a?(AST::Node)
-        unbound = node.dependencies - memory.keys
+        unbound = node.dependencies(memory)
         unless unbound.empty?
           raise UnboundVariableError.new(unbound),
                 "no value provided for variables: #{unbound.uniq.join(', ')}"
         end
         node.value(memory)