20:52 09/07/30 ãããã¨ã½ 確ã cppll ã§ããªãæã«è¦ãè¨æ¶ããããã§ãããC++ ã®ãã int I = 42; const int CI = I; // OK! int* pI = &I; const int* pCI = pI; // OK! int** ppI = &pI; const int** ppCI = ppI; // ã³ã³ãã¤ã«ã¨ã©ã¼! int** ãã const int** ã¸ã®å¤æã¯ã§ãã¾ãã! ã¯ä½æ ããããä»æ§ã«ãªã£ã¦ããã®ã§ããããï¼ã¨ããã®ã¯é¢ç½ãã¯ã¤ãºã ãªã¼ã¨ã ã2çªç®ãå®å ¨ãªã®ã¨åãã§ã3çªç®ãåçã«ã¯å®å ¨ã§ã¯ï¼ãã¨ä¸ç¬æã£ã¦ãã¾ãã®ã§ããã ãããªãã¨ã¯ãªãããã®ãã£ã¹ãã許ã㨠const ãªã¯ãã®ãã®ãæ¸ãæãããã¦ãã¾ãã¾ãã å ·ä½çã«ã©ããããã¯èªè ã®çæ§ã¸ã®å®¿é¡ã§ãï¼âåããï¼ã ç¥ã£ãå½æã¯ããä»æ§èãã¦ãããªã¼ããã¼
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