[cfe-dev] [libc++] Why doesn't libc++ define std::vector<bool>::const_reference as bool?

[Eric Fiselier via cfe-dev]

Unless I'm mis-reading the spec, `vector<bool>::const_reference` is
implementation defined. Not bool. See [vector.bool]
<http://eel.is/c++draft/vector.bool>.

/Eric

On Tue, Nov 14, 2017 at 6:39 AM, Mikhail Maltsev via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> Hi. According to the C++ Standard (section [vector.bool]),
> std::vector<bool>::const_reference should be defined as bool. libc++
> defines it as std::__1::__bit_const_reference<std::__1::vector<bool,
> std::__1::allocator<bool>>>]. Is this divergence from the standard
> intentional? If it is, what is the purpose?
>
> --
> Regards,
>    Mikhail Maltsev
>
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20171114/e7673752/attachment.html>