public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "jakob at schmutz dot co.uk" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/106734] [requires] std::same_as in compound requirements doesn't produce expected result
Date: Wed, 24 Aug 2022 14:17:22 +0000 [thread overview]
Message-ID: <bug-106734-4-c9mLRVlHdV@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106734-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106734
--- Comment #4 from jakob at schmutz dot co.uk ---
(In reply to Jonathan Wakely from comment #3)
> (In reply to jakob from comment #0)
> > Bar bar;
> > constexpr bool same = requires
> > {
> > { bar } -> std::same_as<Bar>;
>
> This is false. The type of decltype((bar)) is Bar&.
>
> So I think GCC is correct.
Right but then why is `std::same_as<decltype(bar), Bar>` true? Shouldn't that
also be false then?
next prev parent reply other threads:[~2022-08-24 14:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-24 13:26 [Bug c++/106734] New: " jakob at schmutz dot co.uk
2022-08-24 13:28 ` [Bug c++/106734] " jakob at schmutz dot co.uk
2022-08-24 13:36 ` jakob at schmutz dot co.uk
2022-08-24 14:00 ` redi at gcc dot gnu.org
2022-08-24 14:17 ` jakob at schmutz dot co.uk [this message]
2022-08-24 14:21 ` jakob at schmutz dot co.uk
2022-08-24 14:25 ` jakob at schmutz dot co.uk
2022-08-24 14:27 ` redi at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-106734-4-c9mLRVlHdV@http.gcc.gnu.org/bugzilla/ \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).