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Re: TIL: C++17 sequences assignment the wrong way.

From Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups comp.lang.c++
Subject Re: TIL: C++17 sequences assignment the wrong way.
Date 2019-08-09 10:36 -0700
Organization A noiseless patient Spider
Message-ID <867e7m9r65.fsf@mailhub.linuxsc.com> (permalink)
References <20190718203039.263@kylheku.com> <jwvr26m0wbl.fsf-monnier+comp.lang.lisp@gnu.org> <assignment-20190720132739@ram.dialup.fu-berlin.de> <86r2678uvc.fsf@mailhub.linuxsc.com> <ln7e7z4758.fsf@kst-u.example.com>

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Keith Thompson <kst-u@mib.org> writes:

> Tim Rentsch <tr.17687@z991.linuxsc.com> writes:
>
>> ram@zedat.fu-berlin.de (Stefan Ram) writes:
>>
>>> Newsgroups: comp.lang.lisp,comp.lang.c++
>>>
>>> Stefan Monnier <monnier@iro.umontreal.ca> writes:
>>>
>>>> Do you happen to have a reference to this part of the spec?
>>>
>>> In the most recent draft, n4800, it's 7.6.18p1:
>>>
>>>    The right operand is sequenced before the left operand.
>>>
>>>       . The assignment stores the value of the right operand
>>>       into the object indicated by the left operand, so the
>>>       operations involved are:
>>>
>>>         First, obtain the value of the right operand,
>>>         then, store this value into the left operand.
>>>
>>> Therefore some kind of right-to-left sequencing is part
>>> of the semantics the assignment already always had, in
>>> any language.
>>
>> This summary sentence is utter nonsense.
>
> What does the phrase "This summary sentence" refer to?

The sentence that starts "Therefore some kind of ...".

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Thread

Re: TIL: C++17 sequences assignment the wrong way. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-07-30 07:22 -0700
  Re: TIL: C++17 sequences assignment the wrong way. Keith Thompson <kst-u@mib.org> - 2019-07-30 13:08 -0700
    Re: TIL: C++17 sequences assignment the wrong way. Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-08-09 10:36 -0700

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