[LLVMbugs] [Bug 13925] Qt's QList iterators and std::distance.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Sep 26 07:45:14 PDT 2012


Howard Hinnant <hhinnant at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #1 from Howard Hinnant <hhinnant at apple.com> 2012-09-26 09:45:14 CDT ---
Does QList<char>::iterator have a nested signed integral type named
difference_type?  Or is there a specialization of
std::iterator_traits<QList<char>::iterator> that contains difference_type?

According to this documentation:


the answer is no.

This conversation:


indicates you are not the first one to discover that QList<char>::iterator
isn't a std-conforming iterator.  std::distance won't work with
QList<char>::iterator for any implementation of std::distance.

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