On Sat, 2016-02-13 at 18:58 +0000, Vladde Nordholm via Digitalmars-d-
learn wrote:
> Hello. I have this singleton,
>
> ------------------------------------------------------
> class Singleton
> {
> private this() {}
> static __gshared typeof(this) instance = new this;
> }
> ------------------------------------------------------
>
> and I wonder if it has any weaknesses. Or is there a better way
> to make a Singleton?Following the ACCU consensus: there is never, ever a good Singleton or reason to contemplate using one. Obviously though there are some good ones: about dialogues in GUIs for example. The good/evil-ness of Singleton is definitely in it's use: most people use Singleton wrongly, most uses should be banned. Hence the ACCU consensus. It's all about coupling and mostly testability of code.. -- Russel. ============================================================================= Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.win...@ekiga.net 41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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