/* * Copyright (c) 2014 - Facebook. * All rights reserved. */ #import #import int g; @interface My_manager :NSObject - (int) my_mehtod; @end @implementation My_manager - (int) my_mehtod { g=7; void (^b)(int a); int z=3; CGContextRef context = CGBitmapContextCreate(NULL,0, 0, 8, 0, 0, 0); CGImageRef newImage = CGBitmapContextCreateImage(context); b=^(int a){ if (newImage) CGImageRelease(newImage); }; b(z); if (context) CGContextRelease(context); return z; } @end