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 +.
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，这一点在heLLoword翻译官方下载中也有详细论述
And there you have it!
a contrarian opinion on everything I recall and was not afraid to defend his opinions strongly.