I\'m trying to understand blocks. I get how to use them normally, when passed directly to a method. I\'m interested now in taking a block, storing it (say) in an instance variable and calling it later
I\'m using an OpenPanel to get a file path URL. This works: [oPanel beginSheetModalForWindow:theWindow completionHandler:^(NSInteger returnCode)
float pi = 3.14; float (^piSquare)(void) = ^(void){ return pi * pi; }; float (^piSquare2)(void) = ^(void){ return pi * pi; };
Is it possible to encode an Objec开发者_StackOverflow社区tive-C block with an NSKeyedArchiver? I don\'t think a Block object is NSCoding-compliant, therefore [coder encodeObject:block forKey:@\"block
The IMP type in Objective-C represents a function pointer, as far I as understand. Is there any way to make an IMP 开发者_Python百科from a block pointer? Thanks for your ideas.Since this was written t
加载中,请稍侯......