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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/100833] New: ranges::advance should return n when i == bound Date: Sun, 30 May 2021 13:51:42 +0000 [thread overview] Message-ID: <bug-100833-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100833 Bug ID: 100833 Summary: ranges::advance should return n when i == bound Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: hewillk at gmail dot com Target Milestone: --- This is specified in [range.iter.op.advance#7]: "Returns: n - M, where M is the difference between the ending and starting positions of i." #include <ranges> constexpr auto diff = [] { auto r = std::views::single(0) | std::views::filter([](int) { return true; }); auto it = r.begin(); return std::ranges::advance(it, 100, r.begin()); }(); static_assert(diff == 100); https://godbolt.org/z/6nh8xMWYd
next reply other threads:[~2021-05-30 13:51 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-30 13:51 hewillk at gmail dot com [this message] 2021-06-01 15:04 ` [Bug libstdc++/100833] " redi at gcc dot gnu.org 2021-06-01 16:09 ` cvs-commit at gcc dot gnu.org 2021-06-02 13:43 ` cvs-commit at gcc dot gnu.org 2021-06-03 14:58 ` cvs-commit at gcc dot gnu.org 2021-06-03 14:58 ` redi at gcc dot gnu.org
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