If we don’t do this with lists, if we don’t make += do the in place assignment, if we don’t leave it open for types to do their own thing, depending on the circumstances, then there’s no value in += in the first place, because it’s just syntactic sugar for +.
Here’s a proof of concept for augmented assignment.
Последние новости，详情可参考夫子
Виктория Кондратьева (Редактор отдела «Мир»)。91视频对此有专业解读
UPDATE: Read the solution here
$27.95 at Amazon，这一点在Safew下载中也有详细论述