Re: re：question about compile the bo ost head file.

На нд, 21.08.2022 г. в 7:39 ч. xiongzhiyong via Boost-users <
[email protected]> написа:

> >I can't reproduce this with msvc versions available on godbolt:
> >https://godbolt.org/z/E8vYWTPf6
>  Exactly on godbolt,the compilers work well. I test this by myself.
> Once again, I change to the Microsoft Visual Studio Community 2019
> ver. 16.11.18. And compile the program ,the error still exist.
>
> >Can you provide a complete error log, including source file and line of
> the
> >error?
>
> soruce file:info.hpp
> source code line no:145
> soruce code:error_info_container_impl * c=new error_info_container_impl;
> error log:
> C2259    “boost::exception_detail::error_info_container_impl”: cannot
> instantiate abstract class, test_boost
> D:\boost_1_79_0\boost\exception\info.hpp    145
>

Can you write a simple program that demonstrates the problem on godbolt.org?
Looking at the source code, I don't understand why the error_info_container
class would be abstract.

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