CreateFunctionQuery 01856_test_function_1 (children 2)
 Identifier 01856_test_function_1
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList (children 2)
     Identifier a
     Identifier b
   Function plus (children 1)
    ExpressionList (children 2)
     Function 01856_test_function_1 (children 1)
      ExpressionList (children 2)
       Identifier a
       Identifier b
     Function 01856_test_function_1 (children 1)
      ExpressionList (children 2)
       Identifier a
       Identifier b