objective c - Replacing delegate methods that return values -

objective c - Replacing delegate methods that return values -

using reactivecocoa cleaner , centralized way handle events delegate methods, wondering if possible replace methods homecoming values without losing value.

in illustration below, method gesturerecognizer:shouldreceivetouch: uigesturerecognizerdelegate called, method signature expects bool homecoming value effective. way, gesture recognizer don't work, if method returned no

is possible utilize rac replace kind of method?

[[self rac_signalforselector:@selector(gesturerecognizer:shouldreceivetouch:) fromprotocol:@protocol(uigesturerecognizerdelegate)] subscribenext:^(id x){ nslog(@"was called, how homecoming actual permission value?"); }]; self.backgroundtapgesture.delegate = self;

is possible utilize rac replace kind of method?

nope. -rac_signalforselector: cannot used on selectors of non-existent methods, of non-void homecoming types. in these cases, implement method homecoming desired value. makes existent method, -rac_signalforselector: can applied to.

objective-c reactive-cocoa