C++17 cannot beat D surely

[Basile B. via Digitalmars-d]

On Saturday, 3 June 2017 at 18:45:56 UTC, Jacob Carlborg wrote:
> On 2017-06-03 20:31, Russel Winder via Digitalmars-d wrote:
>
>> But is this sort guaranteed to happen at compile time rather 
>> than
>> runtime?
>
> Yes. It's the context that decides if it occurs at compile time 
> or at runtime.
>
> Something declared as "static" or "enum" requires that the 
> value can be evaluated at compile time.

Meeep. Wrong. The example is just wrong. 'static auto b = ...' is 
not a compile-time variable. It's just a variable that's like a 
global but declared within a function.
Remember the singleton pattern using 'static Stuff instance'.