Yeah, it appears to be declared as a macro in once.h in addition to being declared as a function.
If you look in once.h and select dispatch_once in line 61, you will see the Quick Help entry for it. "Executes a block object once and only once for the lifetime of an application. …" But if you select where it is defined as a macro, you won't get any help. I see a # define for the macro on line 72 in once.h. I'm seeing it in the RHS panel when I select the function. Do you see it when you click on the function in line 61? Cheers, Alex Zavatone On Apr 6, 2015, at 11:08 AM, Steve Mills wrote: > On Apr 2, 2015, at 14:07:10, Carl Hoefs <[email protected]> > wrote: >> >> I can't get Xcode 6.2 to reveal documentation about dispatch_once in the >> RHS side panel. All it refers me to is once.h, which has no usefull >> information. I have to bring up the main Xcode documentation window and >> type it in there to get the documentation for it. All the other dispatch_* >> functions show up normally in the RHS panel just not dispatch_once. > > Strange. I spent a few days with no left side content (well, actually the > center outline or index pane) after upgrading to 6.2. I thought Apple just > broke it. Luckily, Xcode crashes a lot when you try to command-click on a > symbol in an assistant editor pane (at least when a storyboard is being > displayed in the main editor), so it turns out all I needed to do was quit > and restart Xcode. Still, WTH? > > -- > Steve Mills > Drummer, Mac geek > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Xcode-users mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/xcode-users/zav%40mac.com > > This email sent to [email protected]
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