Singleton Pattern

[Ali Çehreli via Digitalmars-d-learn]

On 07/09/2016 01:35 PM, Suliman wrote:
 > On Thursday, 5 January 2012 at 22:53:12 UTC, Ali Çehreli wrote:
 >> On 01/05/2012 02:15 PM, asm wrote:
 >>> how can i implementing the singleton pattern in D?
 >>
 >> Is singleton still alive? ;)

I'm glad I was alive in 2012. :o)

 >> An idea is to instantiate the object in the module's static this().
 >>
 >> Ali
 >
 > Yeah, same question, what difference between singleton and `static 
this()`?

I'm now aware of the difference between 'static this()' and 'shared 
static this()'.:

shared static this(): Executed once for the whole program

static this(): Executed per thread

Ali