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From: Gavin Lambert (boost_at_[hidden])
Date: 2020-09-22 01:41:30

On 22/09/2020 05:37, Edward Diener wrote:
> My proposal is to add 3 fields whose data would be the same as the
> cxxstd allowed values from Boost Build, using the first value of each
> choice ( currently 03, 11, 14, 17, 20 ).
> standard = minimum C++ level for the library
> extended = same functionality in the library as the minimum C++ level
> but with extended use given higher C++ levels
> required = new functionality in the library above the minimum C++ level
> which requires given higher C++ levels

There's already a "std": [ "tr1"/"proposal" ] field, perhaps this should
be extended rather than replaced?

While undocumented, I note some libraries have already made use of this
as std: [ "c++17" ] for example.

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