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Re: [std-proposals] Support std::numeric_limits for enums

From: Thiago Macieira <thiago_at_[hidden]>
Date: Sun, 25 Sep 2022 07:54:40 -0700
On Sunday, 25 September 2022 06:15:33 PDT Gergely Nagy via Std-Proposals
> This would be a really basic and quite useful feature. min() and max() for
> enums would make it possible to create generic enum sets using std::bitset,

You can already do it on the underlying type

> Additionally there could be an is_sparse() member that would tell if there
> is any gap, or even some gap statistics, so one could statically use
> std::unordered_set for very sparse enums and something more lightweight
> (like bitset) for dense ones.

That's reflection, not numeric_limits.

Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel DCAI Cloud Engineering

Received on 2022-09-25 14:54:42