Created
June 17, 2012 15:36
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Safe Objective-C cast with superclass type check
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| #define SSDC_CAST(TYPE, EXPR) \ | |
| ({ \ | |
| __typeof(EXPR) _cast_expr_tmp = (EXPR); \ | |
| __typeof(EXPR) _super_check_ref __attribute__((unused)) = (TYPE*)nil; \ | |
| ([_cast_expr_tmp isKindOfClass:[TYPE class]]) ? (TYPE*)_cast_expr_tmp : nil; \ | |
| }) |
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