| // | |
| // CommonMacros.h | |
| // StoreMadApp | |
| // | |
| // Created by Andrew Smith on 7/1/13. | |
| // Copyright (c) 2013 Burgess. All rights reserved. | |
| // | |
| #ifndef StoreMadApp_CommonMacros_h | |
| #define StoreMadApp_CommonMacros_h | |
| #define DEFINE_SHARED_INSTANCE_USING_BLOCK(block) \ | |
| static dispatch_once_t pred = 0; \ | |
| __strong static id _sharedObject = nil; \ | |
| dispatch_once(&pred, ^{ \ | |
| _sharedObject = block(); \ | |
| }); \ | |
| return _sharedObject; \ | |
| #endif |