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Subject: Re: [boost] [config] std::uncaught_exceptions
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2018-11-05 09:53:12

On 11/5/18 6:41 AM, Lorenzo Caminiti via Boost wrote:
> Hello all,
> std::uncaught_exception (singular) is deprecated in C++17 and will be
> removed in C++20. std::std::uncaught_exceptions (plural) should be
> used instead.
> Will Boost.Config have a macro to detect if std::uncaught_exceptions
> is supported or not by the current compiler?
> (For example, Boost.Contract implementation uses
> std::uncaught_exception and it will need to use
> std::uncaught_exceptions on C++20 compilers instead.)

Since you have to include <exception> anyway, you could test for

BTW, there are ways to implement std::uncaught_exceptions on some
pre-C++17 compilers, this is implemented in Boost.Log:

It might be a good idea to move that code somewhere for public use, e.g.
in Boost.Exception. Opinions?

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