[boost] [outcome v2] ntkernel_category() custom error category appropriate for Outcome?

Subject: [boost] [outcome v2] ntkernel_category() custom error category appropriate for Outcome?
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2017-07-20 23:02:39

I put together a custom `std::error_category` for NT kernel `NTSTATUS`
error codes with error condition comparison support for both POSIX and
Win32 error code spaces:

https://github.com/ned14/ntkernel-error-category

Question: Is this custom `std::error_category` so niche and unlikely to
be useful to anybody that people would object to it being supplied in
Outcome v2?

Niall

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