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Subject: Re: [boost] [Filesystem] Hidden overloaded virtual function
From: Ben Pope (benpope81_at_[hidden])
Date: 2013-12-19 21:48:05

On 20/12/13 09:25, Marshall Clow wrote:
> On Dec 18, 2013, at 9:21 PM, Ben Pope <benpope81_at_[hidden]> wrote:
>> On 19/12/13 13:18, Ben Pope wrote:
>>> I suspect that's not intentional.
>> Hmm, already reported. Ping?
> This is more complicated than it looks, because some standard libraries declare do_length as:
> ‘virtual int do_length(mbstate_t&, const char*, const char*, size_t) const’
> and others as:
> 'virtual int do_length(const mbstate_t&, const char*, const char*, size_t) const’
> This was changed in the C++ standard back about the 2004 (changed TO const mbstate_t)

FROM const&, right? has it as non-const.

I've checked VC2013, g++4.8.2 and libc++ and they all take it by non const.

> but the Dinkumware library shipped with Visual Studio (for one) was not updated until very recently.
> [ I believe that it is changed for VS 2013 ]
> I tried to fix this once - I broke one of the serialization tests.
> Robert Ramey has been looking into this as well.



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