class Ifi
  int ofthen(int n)
    if(0)
      isit = 42
    else
      maybenot = 667
    end
  end
end
-- -- --
s(:list,  [s(:class,  "Ifi",  nil,  [s(:function,  :int, 
  s(:name,  "ofthen"), 
  s(:parameters, 
    s(:field,  :int,  :n)), 
  s(:expressions, 
    s(:if, 
      s(:condition, 
        s(:int,  0)), 
      s(:if_true, 
        s(:assign, 
          s(:name,  "isit"), 
          s(:int,  42))), 
      s(:if_false,  [s(:assign, 
  s(:name,  "maybenot"), 
  s(:int,  667))]))))])])