Yes, that's consequent. The signed (2-complement) values go 1 more into negative than positive direction.

So 1 bit: -1..0

On the other hand: Bool goes to a maximum of +/-1, so it could also be [-true, false, true]?

-----Ursprüngliche Nachricht-----
Von: Robin Savonen Söderholm <robinsavonensoderholm@gmail.com>
Gesendet: Mo 14.04.2025 15:58
Betreff: Re: [std-proposals] std::arithmetic (concept)
An: std-proposals@lists.isocpp.org;
CC: Sebastian Wittmeier <wittmeier@projectalpha.org>;

signed bool -> [false, -true]?

// Robin

On Mon, Apr 14, 2025, 15:56 Sebastian Wittmeier via Std-Proposals <std-proposals@lists.isocpp.org> wrote:

And ubool_least64_t, bool_fast16_t, uboolmax_t
 

-----Ursprüngliche Nachricht-----
Von: Avi Kivity via Std-Proposals <std-proposals@lists.isocpp.org>

This calls for `signed bool`, `long short signed bool`, etc.

 

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