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Groups > comp.lang.c++ > #80368
| From | MrSpook_mlauoyv4F_@o18rpnvgrx0dq.co.uk |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: [ #include <stack> ] What's the difference? |
| Date | 2021-06-13 08:34 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <sa4fu3$48j$1@gioia.aioe.org> (permalink) |
| References | <sa0877$3h9$1@dont-email.me> <sa2t3t$1oqb$1@gioia.aioe.org> |
On Sat, 12 Jun 2021 20:06:53 +0200 Manfred <noname@add.invalid> wrote: >On 6/11/2021 7:55 PM, SIMON wrote: >> Does anybody know the significant difference between: >> >>> myStack.push(30); >>> >>> myStack.emplace(30); >>> >> It does the same thing as far as I can see but surely there must be >> something that I don't know about these two methods. >> >> >> > >push() takes a reference to an object that has already been constructed, One would hope that a modern compiler would optimise out the temporary however so there shouldn't actually be any difference between emplace() and push() in practice.
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[ #include <stack> ] What's the difference? SIMON <invalid@invalid.invalid> - 2021-06-11 17:55 +0000
Re: [ #include <stack> ] What's the difference? SIMON <invalid@invalid.invalid> - 2021-06-11 18:08 +0000
Re: [ #include <stack> ] What's the difference? scott@slp53.sl.home (Scott Lurndal) - 2021-06-11 18:21 +0000
Re: [ #include <stack> ] What's the difference? Richard Damon <Richard@Damon-Family.org> - 2021-06-11 14:29 -0400
Re: [ #include <stack> ] What's the difference? Kli-Kla-Klawitter <kliklaklawitter69@gmail.com> - 2021-06-11 20:35 +0200
Re: [ #include <stack> ] What's the difference? Manfred <noname@add.invalid> - 2021-06-12 20:06 +0200
Re: [ #include <stack> ] What's the difference? Kli-Kla-Klawitter <kliklaklawitter69@gmail.com> - 2021-06-12 20:12 +0200
Re: [ #include <stack> ] What's the difference? MrSpook_mlauoyv4F_@o18rpnvgrx0dq.co.uk - 2021-06-13 08:34 +0000
Re: [ #include <stack> ] What's the difference? Öö Tiib <ootiib@hot.ee> - 2021-06-13 04:31 -0700
Re: [ #include <stack> ] What's the difference? Andrey Tarasevich <andreytarasevich@hotmail.com> - 2021-06-23 10:17 -0700
Re: [ #include <stack> ] What's the difference? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-06-24 17:23 -0400
Re: [ #include <stack> ] What's the difference? Andrey Tarasevich <andreytarasevich@hotmail.com> - 2021-07-06 12:50 -0700
Re: [ #include <stack> ] What's the difference? James Kuyper <jameskuyper@alumni.caltech.edu> - 2021-07-06 21:17 -0400
Re: [ #include <stack> ] What's the difference? Andrey Tarasevich <andreytarasevich@hotmail.com> - 2021-07-06 21:59 -0700
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