锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久亚洲精品人成综合网,国产三级观看久久,中文字幕乱码人妻无码久久http://www.shnenglu.com/xingkongyun/category/7430.html鏄熺┖闄ㄧ殑紼嬪簭灝忕珯zh-cnSat, 28 Jun 2008 03:39:49 GMTSat, 28 Jun 2008 03:39:49 GMT60浜嗚В浣跨敤ptr_fun銆乵em_fun鍜宮em_fun_ref鐨勫師鍥?/title><link>http://www.shnenglu.com/xingkongyun/articles/54699.html</link><dc:creator>鏉ㄥ漿褰?/dc:creator><author>鏉ㄥ漿褰?/author><pubDate>Thu, 26 Jun 2008 12:11:00 GMT</pubDate><guid>http://www.shnenglu.com/xingkongyun/articles/54699.html</guid><wfw:comment>http://www.shnenglu.com/xingkongyun/comments/54699.html</wfw:comment><comments>http://www.shnenglu.com/xingkongyun/articles/54699.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/xingkongyun/comments/commentRss/54699.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/xingkongyun/services/trackbacks/54699.html</trackback:ping><description><![CDATA[<h2>杞澆鑷細</h2> <p><a >http://www.stlchina.org/documents/EffectiveSTL/files/item_41.html</a><br><br>鐩稿叧鍙傝冿細<a >http://www.cnblogs.com/oomusou/archive/2007/05/12/744000.html</a><br></p> <p>ptr_fun/mem_fun/mem_fun_ref緋誨垪鏄粈涔堟剰鎬濈殑錛熸湁鏃跺欎綘蹇呴』浣跨敤榪欎簺鍑芥暟錛屾湁鏃跺欎笉鐢紝鎬諱箣錛屽畠浠槸鍋氫粈涔堢殑錛熷畠浠技涔庡彧鏄潗鍦ㄩ偅閲岋紝娌$敤鍦版寕鍦ㄥ嚱鏁板悕鍛ㄥ洿灝卞儚涓嶅悎韜殑澶栬。銆傚畠浠笉濂借緭鍏ワ紝褰卞搷闃呰錛岃屼笖闅句互鐞嗚В銆傝繖浜涗笢瑗挎槸STL鍙よ懀鐨勯檮鍔犱緥瀛愶紙姝e鍦?a href="http://www.shnenglu.com/xingkongyun/admin/item_10.html">鏉℃10</a>鍜?a href="http://www.shnenglu.com/xingkongyun/admin/item_18.html">18</a>涓弿榪扮殑閭f牱錛夛紝鎴栬呭彧鏄竴浜涙爣鍑嗗鍛樹細鐨勬垚鍛樺洜涓哄お闂插拰鎵洸鐨勫菇榛樻劅鑰屽己鍔犵粰鎴戜滑鐨勮娉曠帺絎戯紵</p> <p>鍐烽潤涓涓嬨傝櫧鐒秔tr_fun銆乵em_fun鍜宮em_fun_ref鐨勫悕瀛椾笉澶ソ鍚紝浣嗗畠浠仛浜嗗緢閲嶈鐨勫伐浣滐紝鑰屼笉鏄娉曠帺絎戯紝榪欎簺鍑芥暟鐨勪富瑕佷換鍔′箣涓鏄鐩朇++鍥烘湁鐨勮娉曠煕鐩句箣涓銆?/p> <p>濡傛灉鎴戞湁涓涓嚱鏁癴鍜屼竴涓璞錛屾垜甯屾湜鍦▁涓婅皟鐢╢錛岃屼笖鎴戝湪x鐨勬垚鍛樺嚱鏁頒箣澶栥侰++緇欐垜涓夌涓嶅悓鐨勮娉曟潵瀹炵幇榪欎釜璋冪敤錛?/p> <pre>f(x); // 璇硶#1錛氬綋f鏄竴涓潪鎴愬憳鍑芥暟 x.f(); // 璇硶#2錛氬綋f鏄竴涓垚鍛樺嚱鏁? // 鑰屼笖x鏄竴涓璞℃垨涓涓璞$殑寮曠敤 p->f(); // 璇硶#3錛氬綋f鏄竴涓垚鍛樺嚱鏁? // 鑰屼笖p鏄竴涓璞$殑鎸囬拡 </pre> <p>鐜板湪錛屽亣璁炬垜鏈変竴涓彲浠ユ祴璇昗idget鐨勫嚱鏁幫紝</p> <pre>void test(Widget& w); // 嫻嬭瘯w錛屽鏋滄病閫氳繃 // 灝辨爣璁頒負“failed” </pre> <p>鑰屼笖鎴戞湁涓涓猈idget鐨勫鍣細</p> <pre>vector<Widget> vw; // vw瀹圭撼Widget</pre> <p>瑕佹祴璇晇w涓殑姣忎釜Widget錛屾垜寰堟樉鐒跺彲浠ヨ繖涔堜嬌鐢╢or_each錛?/p> <pre>for_each(vw.begin(), vw.end(), test); // 璋冪敤#1錛堝彲浠ョ紪璇戯級</pre> <p>浣嗘兂璞est鏄竴涓猈idget鐨勬垚鍛樺嚱鏁拌屼笉鏄竴涓潪鎴愬憳鍑芥暟錛屼篃灝辨槸璇達紝Widget鏀寔鑷垜嫻嬭瘯錛?/p> <pre>class Widget { public: void test(); // 榪涜鑷垜嫻嬭瘯錛涘鏋滄病閫氳繃 // 灝辨妸*this鏍囪涓?#8220;failed” }; </pre> <p>鍦ㄤ竴涓畬緹庣殑涓栫晫錛屾垜涔熷皢鑳戒嬌鐢╢or_each瀵箆w涓殑姣忎釜瀵硅薄璋冪敤Widget::test錛?/p> <pre>for_each(vw.begin(), vw.end(), &Widget::test); // 璋冪敤#2錛?em>涓嶈兘緙栬瘧</em>錛? </pre> <p>瀹為檯涓婏紝濡傛灉涓栫晫鐪熺殑瀹岀編錛屾垜灝嗕篃鍙互浣跨敤for_each鏉ュ湪Widget*鎸囬拡鐨勫鍣ㄤ笂璋冪敤Widget::test錛?/p> <pre>list<Widget*> lpw; // lpw瀹圭撼Widget鐨勬寚閽? for_each(lpw.begin(), lpw.end(), &Widget::test); // 璋冪敤#3錛?em>涔熶笉鑳界紪璇?/em>錛?/pre> <p>浣嗘槸鎯蟲兂鍦ㄨ繖涓畬緹庣殑涓栫晫閲屽繀欏誨彂鐢熺殑銆傚湪璋冪敤#1鐨刦or_each鍑芥暟鍐呴儴錛屾垜浠互涓涓璞′負鍙傛暟璋冪敤涓涓潪鎴愬憳鍑芥暟錛屽洜姝ゆ垜浠繀欏諱嬌鐢ㄨ娉?1銆傚湪璋冪敤#2鐨刦or_each鍑芥暟鍐呴儴錛屾垜浠繀欏諱嬌鐢ㄨ娉?2錛屽洜涓烘垜浠湁涓涓璞″拰涓涓垚鍛樺嚱鏁般傝岃皟鐢?3鐨刦or_each鍑芥暟鍐呴儴錛屾垜浠渶瑕佷嬌鐢ㄨ娉?3錛屽洜涓烘垜浠皢闈㈠涓涓垚鍛樺嚱鏁板拰涓涓璞$殑鎸囬拡銆傚洜姝ゆ垜浠渶瑕佷笁涓笉鍚岀増鏈殑for_each錛岃岄偅涓笘鐣屽皢鏈夊瀹岀編錛?/p> <p>鍦ㄦ垜浠嫢鏈夌殑涓栫晫涓婏紝鎴戜滑鍙湁涓涓増鏈殑for_each銆傛兂涓縐嶅疄鐜頒笉闅撅細</p> <pre>template<typename InputIterator, typename Function> Function for_each(InputIterator begin, InputIterator end, Function f) { while (begin != end) f(*begin++); } </pre> <p>榪欓噷錛屾垜寮鴻皟褰撹皟鐢ㄦ椂for_each鏄敤璇硶#1榪欎釜浜嬪疄銆傝繖鏄疭TL閲岀殑涓涓櫘閬嶄範鎯細鍑芥暟鍜屽嚱鏁板璞℃諱嬌鐢ㄧ敤浜庨潪鎴愬憳鍑芥暟鐨勮娉曞艦寮忚皟鐢ㄣ傝繖瑙i噴浜嗕負浠涔堣皟鐢?1鍙互緙栬瘧鑰岃皟鐢?2鍜?3涓嶃傝繖鏄洜涓篠TL綆楁硶錛堝寘鎷琭or_each錛夌墷鐗㈠湴緇戝畾鍦ㄥ彞娉?1涓婏紝鑰屼笖鍙湁璋冪敤#1涓庨偅璇硶鍏煎銆?/p> <p>涔熻鐜板湪娓呮涓轟粈涔坢em_fun鍜宮em_fun_ref瀛樺湪浜嗐傚畠浠鎴愬憳鍑芥暟錛堥氬父蹇呴』浣跨敤鍙ユ硶#2鎴栬?3鏉ヨ皟鐢ㄧ殑錛変嬌鐢ㄥ彞娉?璋冪敤銆?/p> <p>mem_fun鍜宮em_fun_ref瀹屾垚榪欎釜鐨勬柟寮忓緢綆鍗曪紝铏界劧濡傛灉浣犵湅涓涓嬭繖浜涘嚱鏁頒箣涓鐨勫0鏄庝細紼嶅井娓呮浜涖傚畠浠槸鐪熺殑鍑芥暟妯℃澘錛岃屼笖瀛樺湪mem_fun鍜宮em_fun_ref妯℃澘鐨勫嚑涓彉浣擄紝瀵瑰簲浜庡畠浠傞厤鐨勪笉鍚岀殑鍙傛暟涓暟鍜屽父閲忔э紙鎴栫己涔忥級鐨勬垚鍛樺嚱鏁般傜湅涓涓0鏄庡氨瓚充互鐞嗚В浜嬫儏鎬庢牱褰㈡垚鏁翠綋鐨勶細</p> <pre>template<typename R, typename C> // 鐢ㄤ簬涓嶅甫鍙傛暟鐨刵on-const鎴愬憳鍑芥暟 mem_fun_t<R,C> // 鐨刴em_fun澹版槑銆? mem_fun(R(C::*pmf)()); // C鏄被錛孯鏄鎸囧悜 // 鐨勬垚鍛樺嚱鏁扮殑榪斿洖綾誨瀷 </pre> <p>mem_fun甯︽湁涓涓埌鎴愬憳鍑芥暟鐨勬寚閽堬紝pmf錛屽茍榪斿洖涓涓猰em_fun_t綾誨瀷鐨勫璞°傝繖鏄竴涓豢鍑芥暟綾伙紝瀹圭撼鎴愬憳鍑芥暟鎸囬拡騫舵彁渚涗竴涓猳perator()錛屽畠璋冪敤鎸囧悜鍦ㄤ紶緇檕perator()鐨勫璞′笂鐨勬垚鍛樺嚱鏁般備緥濡傦紝鍦ㄨ繖孌典唬鐮佷腑錛?/p> <pre>list<Widget*> lpw; // 鍚屼笂 ... for_each(lpw.begin(), lpw.end(), mem_fun(&Widget::test)); // 榪欎釜鐜板湪鍙互緙栬瘧浜? </pre> <p>for_each鎺ュ彈涓涓猰em_fun_t綾誨瀷鐨勫璞★紝鎸佹湁涓涓猈idget::test鐨勬寚閽堛傚浜庡湪lpw閲岀殑姣忎釜Widget*鎸囬拡錛宖or_each浣跨敤璇硶#1“璋冪敤”mem_func_t錛岃岄偅涓璞$珛鍒誨湪Widget*鎸囬拡涓婁嬌鐢ㄥ彞娉?3璋冪敤Widget::test銆?/p> <p>鎬葷殑鏉ヨ錛宮em_fun閫傞厤璇硶#3鈥斺斾篃灝辨槸褰撳拰Widget*鎸囬拡閰嶅悎鏃禬idget::test瑕佹眰鐨勨斺斿埌璇硶1錛屼篃灝辨槸for_each鐢ㄧ殑銆傚洜姝や篃涓嶅鎬儚mem_fun_t榪欐牱鐨勭被琚О涓?dfn>鍑芥暟瀵硅薄閫傞厤鍣?/dfn>銆傜煡閬撹繖涓笉搴旇浣夸綘鎯婅錛屽畬鍏ㄧ被浼間笂榪扮殑錛宮em_fun_ref鍑芥暟閫傞厤璇硶#2鍒拌娉?1錛屽茍浜х敓mem_fun_ref_t綾誨瀷鐨勯傞厤鍣ㄥ璞°?/p> <p>mem_fun鍜宮em_fun_ref浜х敓鐨勫璞′笉浠呭厑璁窼TL緇勪歡鍋囪鎵鏈夊嚱鏁伴兘浣跨敤鍗曚竴鐨勮娉曡皟鐢ㄣ傚畠浠篃鎻愪緵閲嶈鐨則ypedef錛屾濡俻tr_fun浜х敓鐨勫璞′竴鏍楓?a href="http://www.shnenglu.com/xingkongyun/admin/item_40.html">鏉℃40</a>鍛婅瘔浜嗕綘榪欎簺typedef鍚庨潰鐨勬晠浜嬶紝鎵浠ユ垜灝嗕笉鍦ㄨ繖閲岄噸澶嶅畠銆備絾鏄紝榪欎嬌鎴戜滑鑳藉鐞嗚В涓轟粈涔堣繖涓皟鐢ㄥ彲浠ョ紪璇戙?/p> <pre>for_each(vw.begin(), vw.end(), test); // 鍚屼笂錛岃皟鐢?1錛? // 榪欎釜鍙互緙栬瘧 </pre> <p>鑰岃繖浜涗笉鑳斤細</p> <pre>for_each(vw.begin(), vw.end(), &Widget::test); // 鍚屼笂錛岃皟鐢?2錛? // 涓嶈兘緙栬瘧 for_each(lpw.begin(), lpw.end(), &Widget::test); // 鍚屼笂錛岃皟鐢?3錛? // 涓嶈兘緙栬瘧 </pre> <p>絎竴涓皟鐢紙璋冪敤#1錛変紶閫掍竴涓湡鐨勫嚱鏁幫紝鍥犳鐢ㄤ簬for_each鏃朵笉闇瑕侀傞厤瀹冪殑璋冪敤璇硶錛涜繖涓畻娉曞皢鍥烘湁鍦頒嬌鐢ㄩ傚綋鐨勮娉曡皟鐢ㄥ畠銆傝屼笖錛宖or_each娌℃湁浣跨敤ptr_fun澧炲姞鐨則ypedef錛屾墍浠ュ綋鎶妕est浼犵粰for_each鏃朵笉蹇呬嬌鐢╬tr_fun銆傚彟涓鏂歸潰錛屽鍔犵殑typedef涓嶄細閫犳垚浠諱綍鎹熶激錛屾墍浠ヨ繖鍜屼笂闈㈢殑璋冪敤鍋氱浉鍚岀殑浜嬫儏錛?/p> <pre>for_each(vw.begin(), vw.end(), ptr_fun(test)); // 鍙互緙栬瘧錛岃涓? // 灝卞儚涓婇潰鐨勮皟鐢?1 </pre> <p>濡傛灉浣犲叧浜庝粈涔堟椂鍊欎嬌鐢╬tr_fun浠涔堟椂鍊欎笉浣跨敤鑰屾劅鍒板洶鎯戯紝閭e氨鑰冭檻姣忓綋浣犱紶閫掍竴涓嚱鏁扮粰STL緇勪歡鏃墮兘浣跨敤瀹冦係TL灝嗕笉鍦ㄤ箮錛?騫朵笖娌℃湁榪愯鏈熺殑鎯╃綒銆傚彲鑳藉嚭鐜扮殑鏈鍧忕殑鎯呭喌灝辨槸涓浜涜浣犱唬鐮佺殑浜哄綋鐪嬭涓嶅繀瑕佺殑ptr_fun浣跨敤鏃訛紝鍙兘浼氭壃璧風湁姣涖傛垜璁や負錛岄偅鏈夊璁╀綘鎿嶅績渚濊禆浜庝綘瀵規(guī)壃璧風湁姣涚殑鏁忔劅鎬с?/p> <p>涓涓笌ptr_fun鏈夊叧鐨勫彲閫夌瓥鐣ユ槸鍙湁褰撲綘琚揩鏃舵墠浣跨敤瀹冦傚鏋滃綋typedef鏄繀瑕佹椂浣犲拷鐣ヤ簡瀹冿紝浣犵殑緙栬瘧鍣ㄥ皢閫鍥炰綘鐨勪唬鐮併傜劧鍚庝綘寰楄繑鍥炲幓娣誨姞瀹冦?/p> <p>mem_fun鍜宮em_fun_ref鐨勬儏鍐靛垯瀹屽叏涓嶅悓銆傚彧瑕佷綘浼犱竴涓垚鍛樺嚱鏁扮粰STL緇勪歡錛屼綘灝卞繀欏諱嬌鐢ㄥ畠浠紝鍥犱負錛岄櫎浜嗗鍔爐ypedef錛堝彲鑳芥槸鎴栧彲鑳戒笉鏄繀欏葷殑錛変箣澶栵紝瀹冧滑鎶婅皟鐢ㄨ娉曚粠涓涓氬父鐢ㄤ簬鎴愬憳鍑芥暟鐨勯傞厤鍒板湪STL涓埌澶勪嬌鐢ㄧ殑銆傚綋浼犻掓垚鍛樺嚱鏁版寚閽堟椂濡傛灉浣犱笉浣跨敤瀹冧滑錛屼綘鐨勪唬鐮佸皢姘歌繙涓嶈兘緙栬瘧銆?/p> <p>鐜板湪鍙暀涓嬫垚鍛樺嚱鏁伴傞厤鍣ㄧ殑鍚嶅瓧錛岃屽湪榪欓噷錛屾渶鍚庯紝鎴戜滑鏈変竴涓湡瀹炵殑STL鍘嗗彶浜х墿銆傚綋瀵硅繖浜涚閫傞厤鍣ㄧ殑闇姹傚紑濮嬪彉寰楁槑鏄炬椂錛屽緩绔婼TL鐨勪漢浠涓撴敞浜庢寚閽堢殑瀹瑰櫒銆傦紙榪欑瀹瑰櫒鐨勭己鐐瑰湪<a href="http://www.shnenglu.com/xingkongyun/admin/item_07.html">鏉℃7</a>銆?a href="http://www.shnenglu.com/xingkongyun/admin/item_20.html">20</a>鍜?a href="http://www.shnenglu.com/xingkongyun/admin/item_33.html">33</a>鎻忚堪錛岃繖鐪嬭搗鏉ュ彲鑳藉緢鎯婁漢錛屼絾鏄浣忔寚閽堢殑瀹瑰櫒鏀寔澶氭侊紝鑰屽璞$殑瀹瑰櫒涓嶆敮鎸併傦級浠栦滑闇瑕佺敤浜庢垚鍛樺嚱鏁扮殑閫傞厤鍣紝鎵浠ヤ粬浠夋嫨浜唌em_fun銆備絾寰堝揩浠栦滑鎰忚瘑鍒伴渶瑕佷竴涓敤浜庡璞$殑瀹瑰櫒鐨勫彟涓涓傞厤鍣紝鎵浠ヤ粬浠嬌鐢ㄤ簡mem_fun_ref銆傛槸鐨勶紝瀹冮潪甯鎬笉浼橀泤錛屼絾鏄繖浜涗簨鎯呭彂鐢熶簡銆傚憡璇夋垜浣犱粠鏈粰浣犵殑浠諱綍緇勪歡涓涓綘榪囧悗鎰忚瘑鍒幫紝鍛冿紝寰堥毦姒傛嫭鐨勫悕瀛?#8230;…</p> <img src ="http://www.shnenglu.com/xingkongyun/aggbug/54699.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/xingkongyun/" target="_blank">鏉ㄥ漿褰?/a> 2008-06-26 20:11 <a href="http://www.shnenglu.com/xingkongyun/articles/54699.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>STL鍚勭鎺掑簭(杞澆)http://www.shnenglu.com/xingkongyun/articles/54398.html鏉ㄥ漿褰?/dc:creator>鏉ㄥ漿褰?/author>Mon, 23 Jun 2008 12:25:00 GMThttp://www.shnenglu.com/xingkongyun/articles/54398.htmlhttp://www.shnenglu.com/xingkongyun/comments/54398.htmlhttp://www.shnenglu.com/xingkongyun/articles/54398.html#Feedback0http://www.shnenglu.com/xingkongyun/comments/commentRss/54398.htmlhttp://www.shnenglu.com/xingkongyun/services/trackbacks/54398.html闃呰鍏ㄦ枃

]]>
久久天天躁狠狠躁夜夜96流白浆| 久久国产成人亚洲精品影院 | 成人午夜精品无码区久久| 大香伊人久久精品一区二区| 成人久久免费网站| 久久国产亚洲精品麻豆| 亚洲精品美女久久久久99小说| 少妇久久久久久被弄高潮| 国产福利电影一区二区三区久久久久成人精品综合 | 日本久久久精品中文字幕| 国产日韩欧美久久| 久久久噜噜噜www成人网| 日韩AV毛片精品久久久| 大伊人青草狠狠久久| 免费久久人人爽人人爽av| 欧美激情精品久久久久| 亚洲va久久久噜噜噜久久男同 | 97精品伊人久久大香线蕉app| 色婷婷综合久久久久中文字幕| 91精品国产91久久久久福利| 中文字幕久久亚洲一区| 精品久久国产一区二区三区香蕉| 久久精品一区二区三区AV| 久久涩综合| 久久777国产线看观看精品| 亚洲精品国产美女久久久| 欧美伊人久久大香线蕉综合69| 热re99久久精品国产99热| 国产麻豆精品久久一二三| 亚洲精品美女久久久久99| 青青草原综合久久大伊人| 亚洲人AV永久一区二区三区久久| 国产精品成人久久久久三级午夜电影| 亚洲国产精品无码久久98| 久久精品中文字幕一区| 亚洲综合伊人久久综合| 久久久久久久女国产乱让韩| 7777精品伊人久久久大香线蕉| 无码人妻少妇久久中文字幕 | 一本久久久久久久| 久久国产福利免费|