“鍦ㄨ繎鏈?ISO C++ 濮斿憳浼?xì)浼?xì)璁笂錛屾垜浠畬鎴愪簡 C++ 20 濮斿憳浼?xì)鑽夋锛岒q舵姇紲ㄥ喅瀹氬皢鍥介檯鏍囧噯鑽夋錛圖IS錛孌raft International Standard錛夊彂閫佸嚭鍘伙紝浠ヨ繘琛屾渶緇堟壒鍑嗗拰鍙戝竷”錛屽笘瀛愪粙緇嶏細(xì)“鍦ㄧ▼搴忎笂錛孌IS 鍙兘浼?xì)琚嫆缁濆Q屼絾鏄敱浜庢垜浠殑紼嬪簭鍜岃繃紼嬶紝榪欑鎯呭喌鏋佷笉鍙兘鍙戠敓銆傝繖鎰忓懗鐫 C++ 20 宸茬粡瀹屾垚錛屽茍灝嗗湪鍑犱釜鏈堝悗鍙戝竷璇ユ爣鍑嗐?#8221;
C++ 20 鏄繎鍗佸勾鏉ュ獎鍝嶆渶澶х殑涓涓増鏈紝鏂扮殑鐗規(guī)т紬澶氾紝鍖呮嫭錛?/p>
- 妯＄粍錛圡odules錛?/li>
- 鍗忕▼錛圕oroutines錛?/li>
- 鏍囧噯搴?Concepts 鐨勬蹇?/li>
- 鑼冨洿錛坮ange錛?/li>
constexpr鏀寔錛?code style="box-sizing: inherit; font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace; font-size: 13px; margin: 0px 3px; padding: 3px 4px; border: none; border-radius: 4px; background: #f6f6f6;">new/delete銆?code style="box-sizing: inherit; font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace; font-size: 13px; margin: 0px 3px; padding: 3px 4px; border: none; border-radius: 4px; background: #f6f6f6;">dynamic_cast銆?code style="box-sizing: inherit; font-family: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace; font-size: 13px; margin: 0px 3px; padding: 3px 4px; border: none; border-radius: 4px; background: #f6f6f6;">try/catch銆佽櫄鎷?/li>constexpr鍚戦噺鍜屽瓧絎︿覆- 璁℃椂錛氭棩鍘嗐佹椂鍖烘敮鎸?/li>
std::formatstd::spanstd::jthread
棰勮榪欎簺鏂扮壒鎬у皢浼?xì)瀵瑰紑鍙戣呭強(qiáng) C++ 鐢熸佷駭鐢熶笉灝忓獎鍝嶏紝鐗瑰埆鏄儚鍗忕▼榪欑宸ㄥぇ鐨勫彉鍖栥?/p>
鍚屾椂錛屽湪姝ゆ浼?xì)璁湡闂村Q屽鍛樹細(xì)榪橀氳繃浜?C++ 23 璁″垝錛屽叾涓寘鎷紭鍏堣冭檻妯″潡鍖栨爣鍑嗗簱銆佸鍗忕▼銆佹墽琛岀▼搴忓拰緗戠粶鐨勫簱鏀寔銆?/p>
鏇村姞鍏蜂綋鐨勫唴瀹瑰彲浠ユ煡鐪嬪師甯栵細(xì)
https://www.reddit.com/r/cpp/comments/f47x4o/202002_prague_iso_c_committee_trip_report_c20_is
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浠嶸isual Studio 2017 15.3棰勮鐗堢殑鍙戝竷鏃墮棿琛ㄤ腑鍙互鐪嬪嚭錛孧icrosoft浼間箮椹笂瑕佸彂甯冭繖涓鐗堟湰鐨勬寮忕増銆傝繃鍘誨嚑鍛ㄥVS2017 15.3鐨勬敼鍔ㄤ富瑕侀泦涓湪闂淇涓婏紝寮鍙戜漢鍛樺彲浠ユ敞鎰忓埌錛屾渶榪戠殑VS2017 15.3 Preview鐗堟湰鎻愪緵浜嗗C# 7.1鐨勬敮鎸侊紝瀵笴++璇█鏈嶅姟鐨勬敼榪涳紝浠ュ強(qiáng)瀵笽DE鑷韓鐨勫嚑澶勬敼鍔ㄣ傞氳繃鍑犱釜閲嶈鐨勯棶棰樹慨澶嶏紝鎻愰珮浜嗙ǔ瀹氭у拰鎬ц兘銆?/p>
C++寮鍙戜漢鍛樺皢鐪嬪埌涓浜汭DE鐨勬敼鍔紝渚嬪涓浜涘父鐢ㄦā鏉跨殑浣嶇疆鍙戠敓浜嗘敼鍙樸傚熀浜嶹in32鐨勯」鐩幇鍦ㄥ彲浠ュ湪Windows 妗岄潰綾誨埆涓嬫壘鍒般俉indows鎺у埗鍙板拰妗岄潰紼嬪簭妯℃澘鍦ㄥ垱寤鴻繃紼嬩腑涓嶉渶瑕佽皟鐢ㄥ悜瀵鹼紝鍙互鍒嗗埆鍒涘緩浠栦滑鍚勮嚜鐨勯」鐩俉indows妗岄潰鍚戝鍙緵闇瑕佺殑浜哄憳浣跨敤銆?/p>
15.3鐨凱review鐩墠宸茬粡鏀寔C# 7.1鐨勮璦鐗規(guī)с侷nfoQ鐨勯甯紪杈慗onathan Allen鍒嗕袱閮ㄥ垎瀵硅繖浜涚壒鎬ц繘琛屼簡娣卞叆浠嬬粛銆?a target="_blank" style="text-decoration-line: none; color: #286ab2; margin: 0px; border: 0px; padding: 0px; outline: none !important;">絎竴閮ㄥ垎鍏充簬寮傛涓誨嚱鏁幫紙Async Main錛夊拰榛樿琛ㄨ揪寮忥紙Default Expressions錛夛紝絎簩閮ㄥ垎鎺㈣浜嗘帹瀵煎厓緇勫悕錛圛nfer Tuple Names錛夛紝浠ュ強(qiáng)浣跨敤娉涘瀷鐨勬ā寮忓尮閰嶏紙Pattern-matching with Generics錛夈傛湁浜?5.3 Preview錛屽紑鍙戜漢鍛樼幇鍦ㄥ彲浠ュ湪VS2017涓綋楠岃繖浜涚壒鎬с?/p>
涓涓緢鏈夌敤鐨勭壒鎬ф槸澧炲姞浜嗕俊鎭爮銆傚鏋滄湁涓涓畨瑁呯殑鎵╁睍紼嬪簭榪愯涓嶆甯革紝淇℃伅鏍忓皢緇欏嚭閫氱煡錛屽厑璁哥敤鎴峰喅瀹氭槸鍚︾鐢ㄦ湁闂鐨勬墿灞曠▼搴忥紝鎴栬呬笉綆″畠銆?/p>
VS2017 15.3澧炲姞鐨勫叾浠栫壒鎬у寘鎷懡浠よ宸ュ叿vswhere.exe銆傚彲浠ヤ嬌鐢ㄨ宸ュ叿鑾峰緱VS2017瀹夎瀹炰緥鐨勪俊鎭傝宸ュ叿鍦?5.2鐗堟湰涓嬈″嚭鐜幫紝浣嗘槸鍦?5.3鐗堟湰宸茬粡琚慨鏀癸紝涓嶅啀榛樿鏄劇ずVS2017 Preview鐨勫疄渚嬨傝鑾峰緱棰勮鐗堢殑瀹夎淇℃伅錛岄渶瑕佸姞鍏ュ懡浠よ鍙傛暟prerelease銆?/p>
淇鐨勯棶棰樻湁錛?/p>
- 鍚敤杞婚噺綰цВ鍐蟲柟妗堣礋杞藉彲浠ュ噺灝戞瀯寤鴻В鍐蟲柟妗堢殑鏃墮棿
- 淇浜嗚В鍐蟲柟妗堢鐞嗗櫒宸ュ叿紿楀彛錛岃繖鏍鋒枃浠惰嚜鍔ㄥ畾浣嶅姛鑳藉彲浠ユ甯歌繍琛?/li>
- 鍚勭紼沖畾鎬ф柟闈㈢殑鏀硅繘鍜岄棶棰樹慨澶?/li>
濡傚線甯鎬竴鏍鳳紝涓嶅緩璁皢Visual Studio棰勮鐗堢敤浜庣敓浜х郴緇熴傛劅鍏磋叮鐨勫紑鍙戜漢鍛樼幇鍦ㄥ彲浠?a target="_blank" style="text-decoration-line: none; color: #286ab2; margin: 0px; border: 0px; padding: 0px; outline: none !important;">涓嬭澆Visual Studio 2017 15.3 Preview錛屼篃鍙弬鐪嬪畬鏁寸殑鐗堟湰璇存槑銆?/p>
鏌ョ湅鑻辨枃鍘熸枃錛?/span> Visual Studio 2017 15.3 Preview Nears Final Release
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鎬葷殑鏉ヨC++17鐩告瘮C++11鐨勬柊鐗規(guī)ф潵璇存柊鐗規(guī)т笉綆楀錛屽仛浜嗕竴浜涘皬騫呮敼榪涖侰++17澧炲姞浜嗘暟鍗侀」鏂扮壒鎬э紝鍊煎緱鍏蟲敞鐨勭壒鎬уぇ姒傛湁涓嬮潰榪欎簺錛?nbsp; 闃呰鍏ㄦ枃
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浠婂ぉJenkins(浠ュ墠鍙獺udson)CI鏈嶅姟鍣ㄧ獊鐒舵寕浜嗭紝鎺掓煡浜嗗崐澶╁彂鐜扮鐩樺凡緇?00%錛岀湡鍚庢?zhèn)斿綋鍒濇病鎶娂倎鐩樿畱证х偣锛屽叾瀹炲彲浠ョ敤LVM璋冩暣涓涓嬶紝浣嗘槸蹇冮噷榪樻槸娌″簳錛屾曟妸鏁版嵁閮戒涪澶變簡錛屽喅瀹氫互鍚庡啀璋冩暣紓佺洏鍒嗛厤銆傜洰鍓嶅厛鍚enkins涓嬫病鐢ㄧ殑欏圭洰閮藉共鎺夛紝鍙互鑵懼嚭寰堝絀洪棿銆?
鎴戜滑閮界煡閬撲嬌鐢╠u鍛戒護(hù)鍙互鏌ョ湅鐩綍錛屼緥濡傛煡鐪?home/kuuyee鐩綍鍗犵敤紓佺洏絀洪棿澶у皬鍙互浣跨敤涓嬮潰鐨勫懡浠わ細(xì) 闃呰鍏ㄦ枃
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DesignResolutionSize 闃呰鍏ㄦ枃
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涓銆佸叧浜嶢ndroidManifest.xml
AndroidManifest.xml 鏄瘡涓猘ndroid紼嬪簭涓繀欏葷殑鏂囦歡銆傚畠浣嶄簬鏁翠釜欏圭洰鐨勬牴鐩綍錛屾弿榪頒簡package涓毚闇茬殑緇勪歡錛坅ctivities, services, 絳夌瓑錛夛紝浠栦滑鍚勮嚜鐨勫疄鐜扮被錛屽悇縐嶈兘琚鐞嗙殑鏁版嵁鍜屽惎鍔ㄤ綅緗?闄や簡鑳藉０鏄庣▼搴忎腑鐨凙ctivities, ContentProviders, Services, 鍜孖ntent Receivers,榪樿兘鎸囧畾permissions鍜宨nstrumentation錛堝畨鍏ㄦ帶鍒跺拰嫻嬭瘯錛?nbsp; 闃呰鍏ㄦ枃
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2
3 //#1錛氱敓鎴愬姩鐢婚渶瑕佺殑鏁版嵁綾?nbsp;
4 CCTexture2D *texture = CCTextureCache::sharedTextureCache()->addImage("picgirl.png");
5
6
7 CCArray animFrames;
8 for (int y = 0; y < 4; y++)
9 {
10 for (int x = 0; x < 4; x++)
11 {
12 CCSpriteFrame *frame = CCSpriteFrame::createWithTexture(texture, CCRectMake(32 * x, 48 * y, 32, 48));
13 animFrames.addObject(frame);
14 }
15 }
16
17 CCAnimation *animation = CCAnimation::createWithSpriteFrames(&animFrames, 0.2f);
18
19
20 //#2錛氬垵濮嬪寲騫惰緗甋prite
21 CCSprite *sprite = CCSprite::createWithSpriteFrame(CCSpriteFrame::createWithTexture(texture, CCRectMake(0 , 0, 32, 48)));//CCSprite::spriteWithSpriteFrame(frame0);//璁劇疆涓涓垵濮媐rame
22 sprite->setPosition(ccp(s.width / 2, 100));
23 addChild(sprite);
24
25 //#3錛氫嬌鐢╝nimation鐢熸垚涓涓姩鐢誨姩浣渁nimate
26 CCAnimate *animate = CCAnimate::create(animation);
27 sprite->runAction(CCRepeatForever::create(animate));//閲嶅鎾斁 錛?br />鍔ㄦ潵鐢ㄧ殑鍥劇墖3 //#1錛氱敓鎴愬姩鐢婚渶瑕佺殑鏁版嵁綾?nbsp;
4 CCTexture2D *texture = CCTextureCache::sharedTextureCache()->addImage("picgirl.png");
5
6
7 CCArray animFrames;
8 for (int y = 0; y < 4; y++)
9 {
10 for (int x = 0; x < 4; x++)
11 {
12 CCSpriteFrame *frame = CCSpriteFrame::createWithTexture(texture, CCRectMake(32 * x, 48 * y, 32, 48));
13 animFrames.addObject(frame);
14 }
15 }
16
17 CCAnimation *animation = CCAnimation::createWithSpriteFrames(&animFrames, 0.2f);
18
19
20 //#2錛氬垵濮嬪寲騫惰緗甋prite
21 CCSprite *sprite = CCSprite::createWithSpriteFrame(CCSpriteFrame::createWithTexture(texture, CCRectMake(0 , 0, 32, 48)));//CCSprite::spriteWithSpriteFrame(frame0);//璁劇疆涓涓垵濮媐rame
22 sprite->setPosition(ccp(s.width / 2, 100));
23 addChild(sprite);
24
25 //#3錛氫嬌鐢╝nimation鐢熸垚涓涓姩鐢誨姩浣渁nimate
26 CCAnimate *animate = CCAnimate::create(animation);
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闃呰鍏ㄦ枃
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浣犲彲浠ヤ粠緗戜笂涓嬭澆瀹冪殑婧愮爜鏉ュ垎鏋愬悇涓懡浠ょ殑嫻佺▼錛屽悓鏃訛紝sysvinit涔熷寘鍚簡涓庣櫥闄嗙瓑鏈夊叧鐨勫懡浠ゃ?
涓嬮潰鍒嗘瀽sysvinit-2.86杞歡鍖呯殑婧愮爜錛屽悓鏃跺弬鑰冨畠浠殑鎵嬪唽鏉ュ瀹冧滑娣卞叆浜嗚В銆?
闃呰鍏ㄦ枃
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闄ゆ涔嬪悗錛屾垜榪樻妸緗戜笂鐨凪D5錛孋RC32錛孊ase64絳夛紝鍏ㄦ敼鎴愭ā鏉夸簡銆傦紙鍏蜂綋鐪嬫垜鐨勫紑婧愬簱錛夈?
榪欓噷鎴戣漿璐翠簡涓涓狢++澶氭佹枃绔狅紝濡傛灉浣犱篃蹇樹簡錛屽氨褰撳涔?fàn)涓涓嬪惂銆?
闃呰鍏ㄦ枃
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