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From: AdaMagica <christ-usch.grein@t-online.de>
Subject: Re: Move semantics
Date: Tue, 20 Sep 2022 04:44:28 -0700 (PDT)	[thread overview]
Message-ID: <0b04f763-fa89-4b34-ad52-eb9d57d80d8cn@googlegroups.com> (raw)
In-Reply-To: <87k05znqpk.fsf@nightsong.com>

Paul Rubin schrieb am Montag, 19. September 2022 um 20:50:50 UTC+2:
> I think it refers to the C++ notion. 
> https://en.cppreference.com/w/cpp/utility/move

What I do not understand: Why should the move operation be less expensive than a copy?
As I see it: First you have to do a copy, then delete the source.

>  but also means str might now be empty.

I find this "may be empty" astonishing.

  reply	other threads:[~2022-09-20 11:44 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-25 10:01 yet another Ada web site? Maxim Reznik
2022-08-26 18:58 ` Paul Rubin
2022-08-27  9:12 ` Rene
2022-08-27  9:53   ` Nasser M. Abbasi
2022-08-28  7:21     ` Simon Wright
2022-08-28  7:50     ` Dmitry A. Kazakov
2022-08-28 10:26       ` Luke A. Guest
2022-09-16 15:25         ` Maxim Reznik
2022-09-16 17:07           ` Luke A. Guest
2022-09-16 17:34           ` Stephen Leake
2022-09-16 18:45             ` Jere
2022-09-17  9:45               ` Luke A. Guest
2022-09-16 18:49           ` Jere
2022-09-17 13:08           ` Move semantics (was: yet another Ada web site?) G.B.
2022-09-19 17:04             ` Move semantics Stephen Leake
2022-09-19 18:50               ` Paul Rubin
2022-09-20 11:44                 ` AdaMagica [this message]
2022-09-20 14:46                   ` Niklas Holsti
2022-09-20 19:39                   ` Paul Rubin
2022-09-24  6:54                 ` Stephen Leake
2022-09-18  8:47           ` yet another Ada web site? grosdan
2022-09-18 10:57             ` Dmitry A. Kazakov
2022-09-18 16:28             ` Luke A. Guest
2022-09-19 17:02             ` Stephen Leake
2022-09-19  6:39           ` Emmanuel Briot
2022-09-30 10:29   ` shtps
2022-09-30 12:29     ` Niklas Holsti
2022-10-09 16:13       ` Stephen Leake
2022-10-12  4:21         ` Paul Jarrett
2022-10-13  0:06           ` Stephen Leake
2022-10-13  6:58             ` Dmitry A. Kazakov
2022-10-14  8:41               ` Fabien Chouteau
2022-10-14 10:05                 ` Dmitry A. Kazakov
2022-10-14 11:19                   ` Stephen Leake
2022-10-14 13:05                     ` Dmitry A. Kazakov
2022-10-16  8:54                       ` G.B.
2022-10-16  9:20                         ` Dmitry A. Kazakov

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