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FSEventStreamRef FSEventStreamCreate( CFAllocatorRef allocator, FSEventStreamCallback callback, FSEventStreamContext *context, CFArrayRef pathsToWatch, FSEventStreamEventId sinceWhen, CFTimeInterval latency, FSEventStreamCreateFlags flags); $"1* UPPMPXMFWFM

$%&WFOUT /rastersize/CDEvents

self.events = [[CDEvents alloc] initWithURLs:URLs block:^(CDEvents *watcher, CDEvent *event) { doSomething(); }];

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self.signal = [CDEvents rac_signalForEventsWithURLs: URLs]; [self.signal subscribeNext:^(RACTuple *t) { RACTupleUnpack( CDEvents *watcher, CDEvent *event) = t; doSomething(); }];

self.events = [[CDEvents alloc] initWithURLs:URLs block:^(CDEvents *watcher, CDEvent *event) { doSomething(); }]; ʢ࠶ܝʣ

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+ rac_signalFor... { ... objc_setAssociatedObject( signal, // ←γάφϧ͕ _cmd, watcher, // ←͍ͭ͜Λอ࣋ OBJC_ASSOCIATION_RETAIN); $%&WFOUTͷ Πϯελϯε͸ʁ

MJCFYUPCKDͷ࿩ /jspahrsummers/libextobjc

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- (void)foo { @weakify(self); self.prop = ^{ @strongify(self); self = ...; } }

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- (void)foo { @onExit { NSLog(@"3"); }; { @onExit { NSLog(@"1"); }; } NSLog(@"2"); }

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@protocol NoDragDrop ; @concrete - (NSUInteger)webView:...; @end ! @concreteprotocol(NoDragDrop) - (NSUInteger)webView:... {...} @end ! @interface MyViewController () ; @end

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- (void)foo { @onDealloc { doSomething(); }; @onDeallocOfObject(bar) { doSomething(); }; }

- (void)foo { @onDealloc { doSomething(); }; }

- (void)foo { RACDisposable *disposable = [RACObserve()...]; @onDealloc { [disposable dispose]; }; }

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