On Dec 1, 2015, at 16:20 , Carl Hoefs <newsli...@autonomy.caltech.edu> wrote:
> The following seems to be working out for me.
>
> #import "AppCommon.h"
> @implementation AppCommon
> + (AppCommon *)shared
> {
> static AppCommon *shared = nil;
> static dispatch_once_t token;
> dispatch_once(&token, ^{
> shared = [[self alloc] init];
> });
> return shared;
> }
Looks functionally perfect.
PSA #1: I would encourage you avoid naming the method ‘shared’, indeed to avoid
naming anything with a brief name that doesn’t say what it is. Even the
argument that it’s easier to type isn’t good any more, since Xcode is going to
autocomplete almost every name for you.
PSA #2: I can’t help mentioning that you can write all of this in Swift as so:
class AppCommon {
static let shared = AppCommon ()
}
Sometimes, Swift really is Obj-C-but-better. ;)
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