Correct way to create singleton?

[Konstantin Kutsevalov via Digitalmars-d-learn]

On Thursday, 10 November 2016 at 17:22:48 UTC, Anonymouse wrote:
> On Thursday, 10 November 2016 at 17:17:51 UTC, Konstantin 
> Kutsevalov wrote:
>> Hi, what is a correct (and simple) way to create an singleton?
>
> https://wiki.dlang.org/Low-Lock_Singleton_Pattern

great!