This is shorter: Class::singleton()

It's also more consistent with the rest of our style (we usually don't put 
"get" in getter names). 

-Filip

> On Jan 28, 2015, at 6:11 PM, Maciej Stachowiak <m...@apple.com> wrote:
> 
> 
>> On Jan 28, 2015, at 4:28 PM, Darin Adler <da...@apple.com> wrote:
>> 
>> I like the economy of the smaller non-member function name; it seems overly 
>> wordy to be constantly stating the class name as well as the nearly 
>> meaningless word “shared”. I think the word “shared” is what I like least 
>> about the member function approach.
>> 
>> It had always thought that we used static member functions for this to 
>> replicate the pattern from Objective-C, and it seems more idiomatic modern 
>> C++ to use a free function for this kind of thing.
>> 
>> Maciej’s point about Class::create() might be enough to convince me to 
>> change my view, though; it’s hard to see any reason the same logic wouldn’t 
>> apply in that case.
> 
> I would also find it acceptable to use free functions for all these cases. 
> Mostly it bugs me for them to be different - the singleton case is rarer, so 
> it seems odd to treat it as especially conciseness-worthy.
> 
> Yet another possibility is finding a better name than ‘shared’ for the 
> singleton pattern function, but I don’t have any better ideas. 
> Class::getSingleton() is more explicit but the extra verbosity doesn’t seem 
> helpful to me.
> 
> Regards,
> Maciej
> 
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