Method Evaluate

eval/eval/lazy_init_step.cc:46–54

        subexpression_index_(subexpression_index) {}

  absl::Status Evaluate(ExecutionFrame* frame) const override {
    ComprehensionSlot* slot = frame->comprehension_slots().Get(slot_index_);
    if (slot->Has()) {
      frame->value_stack().Push(slot->value(), slot->attribute());
    } else {
      frame->Call(slot_index_, subexpression_index_);
    }
    return absl::OkStatus();
  }

 private:
  const size_t slot_index_;