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ã2015å¹´12æ24æ¥è¨è¼ : C++11 ã©ã ãå¼ã®æ£å¼ãªã¾ã¨ãã¯ããã¡ãã®ãã¼ã¸ãC++11 ã©ã ãå¼ - cpprefjp C++æ¥æ¬èªãªãã¡ã¬ã³ã¹ããåç §ãã¦ãã ããã ä»ã¾ã§ã¯ã©ã ãå¼ã®ãªãã¸ã§ã³ãä¸ãããã³ã«å·®åã ãæ¸ãã¦ãã®ã§ C++0xã«æ¡æãããã©ã ãå¼ã®è§£èª¬ãããããã¦æ¸ãã¾ãã ãC++03ã¾ã§ã®åé¡ç¹ã C++03ã§ã¯ãé¢æ°ããã®å ´ã§ä½æãããã¨ãããã¨ãã§ããªãã£ããã é¢æ°ãåãåãSTLã¢ã«ã´ãªãºã ã使ç¨ããå ´åã以ä¸ã®ããã«ãã¢ã«ã´ãªãºã ã«æ¸¡ãç¨ã®é¢æ°ãä½æããªããã°ãªãã¾ããã§ããã struct is_even { typedef bool result_type; bool operator()(int x) const { return x % 2 == 0; } }; vector<int> v; find_if(v.begin(), v.end
λ... λ... ã¡ãã£ã¨ã¨ããã¾ãã ã¯ããã« C++ Template ã®åå¼·ããã¦ãã¦ãæ°ãã¤ããã ãã¹ãããï¼å å´ããå¤å´ãè¦ããï¼åå-å¤ã®ç©ºéãåå¨ã å¤ããåå-å¤ã®ç©ºéãçæãããã¨ãå¯è½ã§ ãã®ç©ºéãçæããããã®æ å ±ãå¤ã¨ãã¦æ±ã åå-å¤ã®ç©ºéã®ä¸ã®ä¸ã¤ä»¥ä¸ã®å¤ãåãåºãã㨠ã©ã ããåºæ¥ãã ã¨ãã訳㧠Java ã§ã©ã ããä½ã£ã¦ã¿ã import static java.lang.System.out; public class Hoge { public static void main (String args[]) { // ãã£ã¼ãæ° 0 final λ zero = new λ () { λ call (final λ f) { return new λ () { λ call (final λ x) { return x; }}; }}; // ã
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