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	2019-07-30 07:22 -0700
Organization	A noiseless patient Spider
Message-ID	<86r2678uvc.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>

Show all headers | View raw

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.

Back to comp.lang.c++ | Previous | Next — Next in thread | Find similar | Unroll thread

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

csiph-web