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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c++
Subject: Re: TIL: C++17 sequences assignment the wrong way.
Date: Tue, 30 Jul 2019 07:22:47 -0700
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References: <20190718203039.263@kylheku.com> <jwvr26m0wbl.fsf-monnier+comp.lang.lisp@gnu.org> <assignment-20190720132739@ram.dialup.fu-berlin.de>
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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.