static if - unexpected results

FeepingCreature feepingcreature at gmail.com
Sat Jun 24 02:17:31 UTC 2023


On Friday, 23 June 2023 at 18:43:06 UTC, Steven Schveighoffer 
wrote:
> It should be a spec change. Change POD to say "type" instead of 
> "struct".
>
> The goal of `isPOD` is to determine how careful generic code 
> needs to be to pass the type around, or copy it. Changing it to 
> false implies that it is not "plain old data". I.e. it has a 
> destructor, it has hidden members, or it cannot be copied via 
> bit copying (all of these do not fit the type in question).
>
> The only other option is to error on calling `__traits(isPOD, 
> char)`, but I think that's even worse.
>
> -Steve

Yeah, I think that's also where I'm standing. The current 
behavior seems correct and useful, it's just not documented 
correctly.


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