ã¨ãã¹ãã¼ãObjective-Cããã°ã©ãã³ã°ãèªãã§ã® Bridge ãã£ã¹ãã®å¦ç¿ã¡ã¢ã id å㨠void* å (Objective-C ã®å㨠CoreFoundation ã®å) ã®ç¸äºã®ãã£ã¹ã㯠ARC ãæå¹ã«ããã¨ã³ã³ãã¤ã©ã«ãããªã¼ãã¼ã·ããã®ç®¡çãèªåçã«ä½¿ç¨ã§ããªãã ãã®ãã Bridge ãã£ã¹ããå©ç¨ãã¦æç¤ºçã«ãã£ã¹ãããªããã°ãªããªãã NS ãªãã¸ã§ã¯ã㨠CF ãªãã¸ã§ã¯ãã¨ã®æ§é ã¯åãã§ãããããªã¼ãã¼ãããç¡ãã«ãã£ã¹ãã§ãããããã Toll-Free Bridge (交ééç¡æã®æ©)ã¨å¼ã¶ã åç §ã«ã¦ã³ããè¦ãããã®é¢æ°ãæºåãã¨ã CFIndex getRetainCount(__strong id obj) { return CFGetRetainCount((__bridge CFTypeRef)obj); } ãããä½ã㯠ARC


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