Re: [boost] [Describe] Boost.Describe vs Boost.Fusion

wt., 2 mar 2021 o 16:34 Peter Dimov via Boost napisał(a):

Andrzej Krzemienski wrote:

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wt., 2 mar 2021 o 15:05 Edward Diener via Boost napisał(a):

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Boost.Fusion/Boost.Spirit are C++03 libraries while Describe is a C++14 library. So while Describe might be capable of replacing the BOOST_FUSION_ADAPT_STRUCT interface in Boost.Fusion I would imagine that Boost.Fusion/Boost.Spirit might have to upgrade their minimum C++ level to C++14 in order to do so.

Sorry, I wasn't clear. BoostSpirit comes with the x3 variant which already requires c++14: https://www.boost.org/doc/libs/1_75_0/libs/spirit/doc/x3/html/index.html I meant this one only.

That's true, but Spirit relies on Fusion for the support of user-defined structs, so the straightforward way to make it work on described types is to make Fusion recognize them.

Or have Spirit perform a check: if `describe::members` is found use it, otherwise fall back to Boost.Fusion. Regards, &rzej;

That's ifdefable and should be doable, but I don't have a proof at this time. :-)

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