message: rm done todos
diff: @@ -67,7 +67,6 @@ class ToHdlCommon(HdlAstVisitor):
  if argc == 2:
  op_str = self.GENERIC_BIN_OPS.get(o, None)
  if op_str is not None:
  - # [todo] unary +/-
  return self._visit_bin_op(op, op_str)
  if o == HdlBuiltinFn.INDEX:
  return self._visit_operator_index(op)
  