Method Evaluate

eval/eval/equality_steps_test.cc:67–70

        attr_() {}

  absl::Status Evaluate(ExecutionFrame* frame) const override {
    frame->value_stack().Push(value_, attr_);
    return absl::OkStatus();
  }

  absl::Status Evaluate(ExecutionFrameBase& frame, Value& result,
                        AttributeTrail& attribute_trail) const override {