What do you want to access it for? Invoking it? Copying it?

If it is latter, just copying or retaining the outer block is adequate, as 
copying the outer block will cause the inner block be retained, which would 
copy it if it is a stack block.

> On Oct 26, 2019, at 22:42, Gregory Casamento <greg.casame...@gmail.com> wrote:
> 
> Hey Guys,
> 
> I am implementing the following class:
> 
> 
> DEFINE_BLOCK_TYPE(NSBackgroundActivityCompletionHandler, void, 
> NSBackgroundActivityResult);
> DEFINE_BLOCK_TYPE(GSScheduledBlock, void, 
> NSBackgroundActivityCompletionHandler);  
> 
> @interface NSBackgroundActivityScheduler : NSObject
> {
>   NSString *_identifier;
>   NSQualityOfService _qualityOfService;
>   NSTimeInterval _interval;
>   NSTimeInterval _tolerance;
>   BOOL _repeats;
>   BOOL _shouldDefer;
> }
>   
> - (instancetype) initWithIdentifier: (NSString *)identifier;
> 
> - (NSString *) identifier;
> - (void) setIdentifier: (NSString *)identifier;
> 
> - (NSQualityOfService) qualityOfService;
> - (void) setQualityOfService: (NSQualityOfService)qualityOfService;
> 
> - (BOOL) repeats;
> - (void) setRepeats: (BOOL)flag;
> 
> - (NSTimeInterval) interval;
> - (void) setInterval: (NSTimeInterval)interval;
> 
> - (NSTimeInterval) tolerance;
> - (void) setTolerance: (NSTimeInterval)interval;
> 
> - (BOOL) shouldDefer;
> - (void) setShouldDefer: (BOOL)flag;
> 
> - (void) scheduleWithBlock: (GSScheduledBlock)block;
> 
> - (void) invalidate;
>   
> @end
> 
> How do I handle the embedded block GSScheduledBlock??  Declaring it this way 
> compiles, but I have no idea how to access the handler which is passed in.
> 
> Any clues?  
> 
> Thanks, GC
> 
> -- 
> Gregory Casamento
> GNUstep Lead Developer / OLC, Principal Consultant
> http://www.gnustep.org <http://www.gnustep.org/> - 
> http://heronsperch.blogspot.com <http://heronsperch.blogspot.com/>
> http://ind.ie/phoenix/ <http://ind.ie/phoenix/>
> 
> 
>   
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