IOS有用的宏
debug
#ifdef __DEBUG__
#define NSLog(format, ...) do { \
fprintf(stderr, "<%s : %d> %s\n", \
[[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], \
__LINE__, __func__); \
(NSLog)((format), ##__VA_ARGS__); \
fprintf(stderr, "------------------------\n"); \
} while (0)
#else
#define NSLog(format, ...)
#endif
Log Rect
#define NSLogRect(rect) NSLog(@"%s x:%.4f, y:%.4f, w:%.4f, h:%.4f", #rect, rect.origin.x, rect.origin.y, rect.size.width, rect.size.height)
#define NSLogSize(size) NSLog(@"%s w:%.4f, h:%.4f", #size, size.width, size.height)
#define NSLogPoint(point) NSLog(@"%s x:%.4f, y:%.4f", #point, point.x, point.y)
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