{"id":2094,"date":"2014-11-20T03:59:03","date_gmt":"2014-11-19T18:59:03","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=2094"},"modified":"2017-01-31T19:42:42","modified_gmt":"2017-01-31T10:42:42","slug":"c11-%ec%8a%a4%eb%a7%88%ed%8a%b8%ed%8f%ac%ec%9d%b8%ed%84%b0smartpointer-unique_ptr","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=2094","title":{"rendered":"[C++11] \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130(Smart Pointer)"},"content":{"rendered":"<p><P>C++11\uc5d0\uc11c \uc0c8\ub86d\uac8c \ub3c4\uc785\ub41c \uc2a4\ub9c8\ud2b8 \ud3ec\uc778\ud130\ub294 unique_ptr, shared_ptr, weak_ptr\uc785\ub2c8\ub2e4. unique_ptr\uc740 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\uad8c\uc744 \uc624\uc9c1 \ud558\ub098\ub9cc \uac00\uc9c0\ub3c4\ub85d \ud558\ub294 \uac83\uc774\uace0 shared_ptr\uc740 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\uad8c\uc744 \uc5ec\ub7ec \uac1c\uc758 \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130\uac00 \uacf5\uc720\ud558\uba74\uc11c \ucc38\uc870 \uce74\uc6b4\ud2b8 \ubc29\uc2dd\uc73c\ub85c \uad00\ub9ac\ud558\uc5ec \ucc38\uc870 \uce74\uc6b4\ud2b8\uac00 0\uc77c\ub54c \uc2e4\uc81c \ub370\uc774\ud130\ub97c \ud574\uc81c\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. weak_ptr\uc740 share_ptr\ucc98\ub7fc \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uacf5\uc720\ud558\uc9c0\ub9cc \ucc38\uc870 \uce74\uc6b4\ud2b8\uc758 \uac12\uc744 \uc99d\uac00\ud558\uac70\ub098 \uac10\uc18c\uc2dc\ud0a4\uc9c0 \uc54a\ub294\ub2e4\ub294 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc138\uac1c\uc758 \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130\uc5d0 \ub300\ud574 \ud558\ub098\uc529 \uc0b4\ud3b4 \ubcf4\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4. \uba3c\uc800 unique_ptr\uc785\ub2c8\ub2e4.<\/P><\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    unique_ptr<int> p1(new int(10));\r\n    cout << *p1 << endl;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>\uc704\uc758 \ucf54\ub4dc\uc911 9\ubc88\uc740 \uc815\uc218\uac12 10\uc744 \uad00\ub9ac\ud558\ub294 unique_ptr\ub85c\uc368 10\ubc88 \ucf54\ub4dc\uc5d0\uc11c\ucc98\ub7fc \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud2b8\uac00 \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130 \uac12\uc744 \ud654\uba74\uc5d0 \ud45c\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uc694\ud55c \uac83\uc740 unique_ptr\uc740 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\ub97c \uc624\uc9c1 \ud558\ub098\uc758 \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud2b8\ub9cc\uc774 \uac00\uc9c4\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud574 \ud655\uc778\ud560 \uc218 \uc788\ub3c4\ub85d \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    unique_ptr<int> p1(new int(10));\r\n    cout << *p1 << endl;\r\n\r\n    unique_ptr<int> p2 = p1;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>\uc0c8\ub86d\uac8c \ucd94\uac00\ub41c \ucf54\ub4dc\ub294 \uc624\uc9c1 12\ubc88\uc73c\ub85c\uc368 \uae30\uc874\uc758 unique_ptr\uc5d0 \ub300\ud55c \uc2a4\ub9c8\ud2b8 \ud3ec\uc778\ud130\ub97c \ub610 \ub2e4\ub978 unique_ptr\uc5d0 \ub300\uc785\ud568\uc73c\ub85c\uc368 \ud558\ub098\uc758 \uc2e4\uc81c \ub370\uc774\ud130\ub97c 2\uac1c\uc758 unique_ptr\uc774 \uc18c\uc720\ud558\ub824\uace0 \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud574 \ucef4\ud30c\uc77c \ud0c0\uc784\uc5d0\uc11c 12\ubc88 \ucf54\ub4dc\ub294 \uc624\ub958\uac00 \ub0a9\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uacbd\uc6b0\uc5d0 \ub530\ub77c\uc11c\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \uc18c\uc720\ub97c \ub2e4\ub978 unique_ptr\ub85c \uc774\ub3d9\uc2dc\ucf1c\uc57c \ud560 \ub54c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud574 \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0b4\ud3b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    unique_ptr<int> p1(new int(10));\r\n    cout << *p1 << endl;\r\n\r\n    unique_ptr<int> p3 = move(p1);\r\n    \/\/cout << *p1 << endl;\r\n\r\n    cout << p1.get() << endl;\r\n    cout << p3.get() << endl;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>\uc0c8\ub85c\uc6b4 \ucf54\ub4dc\ub294 12\ubc88\uc785\ub2c8\ub2e4. \ud45c\uc900 \ud568\uc218\uc778 move\ub97c \uc774\uc6a9\ud574 unique_ptr\uc774 \uac00\uc9c0\uace0 \uc788\ub294 \uc18c\uc720\uad8c\uc744 \ub2e4\ub978 unique_ptr\uc774 \uac16\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ub418\uba74 p1\uc774 \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uc8fc\uc18c\ub294 null\uc774 \ub418\uc5b4 \uc18c\uc720\uad8c\uc774 \uc5c6\ub2e4\ub294 \uc758\ubbf8\uac00 \ub418\uace0 \uc6d0\ub798 p1\uc774 \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uc8fc\uc18c\uac12\uc744 p3\uac00 \uac16\uac8c \ub429\ub2c8\ub2e4. \uacb0\uad6d \uc8fc\uc11d \ucc98\ub9ac\ub41c 13\ubc88 \ucf54\ub4dc\uac00 \uc2e4\ud589\ub41c\ub2e4\uba74 \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uac83\uc785\ub2c8\ub2e4. 15\ubc88\uacfc 16\ubc88 \ucf54\ub4dc\uc5d0\uc11c \ubcf4\uc774\ub294 unique_ptr\uc758 get \ud568\uc218\ub294 \uc2a4\ub9c8\ud2b8 \ud3ec\uc778\ud2b8\uac00 \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uc8fc\uc18c\uac12\uc744 \uc5bb\ub294 \ud568\uc218\uc774\ubbc0\ub85c 15\ubc88 \ucf54\ub4dc\ub294 null\uc5d0 \ud574\ub2f9\ud558\ub294 0\uc744, 16\ubc88 \ucf54\ub4dc\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uc8fc\uc18c\uac12\uc744 \ud45c\uc2dc\ud558\uac8c \ub429\ub2c8\ub2e4.<\/P><\/p>\n<p>\ub2e4\uc74c\uc740 shared_ptr\uc5d0 \ub300\ud574 \uc815\ub9ac\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. shared_ptr\uc740 unique_ptr\uacfc \ub2e4\ub974\uac8c \uad00\ub9ac\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uc18c\uc720\ub97c \uc5ec\ub7ec\uac1c\uc758 shared_ptr\uc774 \uacf5\uc720\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \uacf5\uc720\ub97c \ud558\ub2e4\uac00 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud574 \uc18c\uc720\ud558\ub294 shared_ptr \uac1d\uccb4\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0, \uc989 \ucc38\uc870 \uac1c\uc218(Reference Count)\uac00 0\uac1c\uc77c \uacbd\uc6b0 \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac\uc5d0\uc11c \ud574\uc81c\ud558\uac8c \ub429\ub2c8\ub2e4. \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0b4\ud3b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    shared_ptr<int> p1(new int(10));\r\n    shared_ptr<int> p2 = p1;\r\n\r\n    cout << *p1 << endl;\r\n    cout << *p2 << endl;\r\n\r\n    cout << p2.use_count() << endl;\r\n    p1.reset();\r\n    cout << p2.use_count() << endl;\r\n    p2.reset();\r\n    cout << p2.use_count() << endl;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>\uc704\uc758 \ucf54\ub4dc\uc5d0\uc11c 9\ubc88 \ucf54\ub4dc\uc5d0\uc11c \uc0dd\uc131\ud55c shared_ptr \uac1d\uccb4 p1\uc744 \uac19\uc740 \ud0c0\uc785\uc778 p2\uc5d0 \ub300\ub300\uc785(assign)\ud568\uc73c\ub85c\uc368 \ud558\ub098\uc758 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud574 2\uac1c\uc758 shared_ptr \uac1d\uccb4\uac00 \uc18c\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 12\ubc88\uacfc 13\ubc88 \ucf54\ub4dc\ub97c \ud1b5\ud574 \uc774 2\uac1c\uc758 shared_ptr \uac1d\uccb4\uac00 \uad00\ub9ac\ud558\ub294 \ub3d9\uc77c\ud55c \uc2e4\uc81c \ub370\uc774\ud130\uc758 \uac12\uc744 \ud654\uba74\uc5d0 \ud45c\uc2dc\ud560 \uac83\uc774\uace0\uc694. shared_ptr \uac1d\uccb4\uac00 \uc18c\uc720\ud558\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ucc38\uc870 \uac1c\uc218\ub294 use_count \ud568\uc218\ub97c \ud1b5\ud574 \uc5bb\uc744 \uc218 \uc788\uace0 15\ubc88, 17\ubc88, 19\ubc88 \ucf54\ub4dc\ub97c \ud1b5\ud574 \ud655\uc778\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 15\ubc88 \ucf54\ub4dc\ub294 \ucc38\uc870 \uac1c\uc218\ub85c 2\ub97c \ucd9c\ub825\ud560 \uac83\uc785\ub2c8\ub2e4. shared_ptr\uc758 reset \ud568\uc218\ub97c \ud1b5\ud574 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\ub97c \ub354 \uc774\uc0c1 \ud558\uc9c0 \uc54a\uaca0\ub2e4\uace0 \uba85\uc2dc\uc801\uc73c\ub85c \uc9c0\uc815\ub418\uc5c8\uc73c\ubbc0\ub85c 17\ubc88 \ucf54\ub4dc\ub294 \uc774\uc81c 1\uc744 \ucd9c\ub825\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 18\ubc88 \ucf54\ub4dc\uc5d0\uc11c \ub2e4\uc2dc \ud55c\ubc88 reset \ud568\uc218\ub97c \ud638\ucd9c\ud588\uc73c\ubbc0\ub85c 19\ubc88 \ucf54\ub4dc\uc5d0\uc11c \ucc38\uc870 \uac1c\uc218\ub85c\uc368 \uc774\uc81c 0\uc744 \ud45c\uc2dc\ud560 \uac83\uc785\ub2c8\ub2e4. \uc0ac\uc2e4 \uc2e4\uc81c \uc5c5\ubb34\ub2e8\uc5d0\uc11c\ub294 reset \ud568\uc218\ub97c \uc9c1\uc811 \ud574\uc904 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uac1d\uccb4\uc758 scope\ub97c \ubc97\uc5b4\ub098\uba74 \uc790\ub3d9\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c0\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/P><\/p>\n<p><P>\uc774\uc81c \ub9c8\uc9c0\ub9c9\uc73c\ub85c weak_ptr\uc5d0 \ub300\ud574 \uc815\ub9ac\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. weak_ptr\uc740 shared_ptr\uacfc \ucc38\uc870 \uce74\uc6b4\ud2b8\ub97c \uc774\uc6a9\ud574 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\ub97c \ud568\uaed8 \ud55c\ub2e4\ub294 \uc810\uc740 \ub3d9\uc77c\ud558\uc9c0\ub9cc \ucc38\uc870 \uce74\uc6b4\ud2b8\ub97c \uc99d\uac00\uc2dc\ud0a4\uc9c0\ub3c4 \uac10\uc18c\uc2dc\ud0a4\uc9c0\ub3c4 \uc54a\ub294\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0b4\ud3b4 \ubcf4\uac8c\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    shared_ptr<int> sp1(new int(10));\r\n    weak_ptr<int> wp1 = sp1;\r\n\r\n    cout << sp1.use_count() << endl;\r\n    cout << wp1.use_count() << endl;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>shared_ptr\uc778 sp1\uc744 weak_ptr\uc778 wp1\uc5d0 \ud560\ub2f9\ud558\uace0 \uc788\uace0 sp1\uacfc wp1\uc5d0 \ub300\ud55c \ucc38\uc870 \uce74\uc6b4\ud2b8\ub97c \ud45c\uc2dc\ud558\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4. weak_ptr\uc740 \ucc38\uc870 \uce74\uc6b4\ud2b8\uc758 \uac1c\uc218\ub97c \uc99d\uac00\uc2dc\ud0a4\uc9c0 \uc54a\ub294\ub2e4\uace0 \ud588\uc73c\ubbc0\ub85c 1\uacfc 1\uc744 \ud45c\uc2dc\ud560 \uac83\uc785\ub2c8\ub2e4. weak_ptr\uc740 lock\uc774\ub77c\ub294 \ud568\uc218\ub97c \uc81c\uacf5\ud558\ub294\ub370 \uc774 \ud568\uc218\ub294 shared_ptr \uac1d\uccb4\ub97c \uc0dd\uc131\ud574 \ubc18\ud658\ud574 \uc90d\ub2c8\ub2e4. \uc989, weak_ptr\uc758 lock \ud568\uc218\uac00 \uc2e4\ud589\ub3c4\uba74 shared_ptr \uac1d\uccb4\uac00 \uc0dd\uc131\ub418\ubbc0\ub85c \uc790\ub3d9\uc73c\ub85c \ucc38\uc870 \uce74\uc6b4\ud2b8\ub294 1\uc774 \uc99d\uac00\ub420 \uac83\uc785\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \uc544\ub798\uc758 \ucf54\ub4dc\ub97c \ud1b5\ud574 \uc0b4\ud3b4\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n<pre>\r\n#include \"stdafx.h\"\r\n#include <memory>\r\n#include <iostream>\r\n\r\nusing namespace std;\r\n\r\nint _tmain(int argc, _TCHAR* argv[])\r\n{\r\n    shared_ptr<int> sp1(new int(10));\r\n    weak_ptr<int> wp1 = sp1;\r\n\r\n    cout << sp1.use_count() << endl;\r\n    cout << wp1.use_count() << endl;\r\n\r\n    {\r\n        shared_ptr<int> sp2 = wp1.lock();\r\n\r\n        cout << sp1.use_count() << endl;\r\n        cout << wp1.use_count() << endl;\r\n    }\r\n\r\n    cout << sp1.use_count() << endl;\r\n    cout << wp1.use_count() << endl;\r\n\r\n    return 0;\r\n}\r\n<\/pre>\n<p><P>15\ubc88 ~ 20\ubc88 \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uba74 \uc0c8\ub85c\uc6b4 \ube14\ub7ed \ubc94\uc704 \uc548\uc5d0\uc11c weak_ptr \uac1d\uccb4\uc778 wp1\uc758 lock \ud568\uc218\ub97c \ud1b5\ud574 shared_ptr \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uc5ec sp2\uc5d0 \ud560\ub2f9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 18\ubc88\uacfc 19\ubc88 \ucf54\ub4dc\uc5d0\uc11c \ucc38\uc870 \uce74\uc6b4\ud2b8\ub97c \ucd9c\ub825\ud574 \ubcf4\uba74 \uac01\uac01 2\uc758 \uac12\uc774 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc989, \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud574 3\uac1c\uc758 \uc2a4\ub9c8\ud2b8 \ud3ec\uc778\ud130\uac00 \uc18c\uc720\ud558\uace0 \uc788\ub294\ub370 \ub9d0\uc785\ub2c8\ub2e4. 3\uac1c\uac00 \uc18c\uc720\ud568\uc5d0\ub3c4 \ucc38\uc870 \uce74\uc6b4\ud2b8\uac00 2\uc778 \uc774\uc720\ub294 2\uac1c\ub294 shared_ptr\uc774\uace0 1\uac1c\ub294 weak_ptr\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. 20\ubc88 \ucf54\ub4dc\uae4c\uc9c0 \uc2e4\ud589\ub418\uba74 \uc790\ub3d9\uc73c\ub85c sp2 \uac1d\uccb4\uac00 \uc18c\uba78\ub418\uba74\uc11c \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\ub3c4 \ud574\uc81c\ub429\ub2c8\ub2e4. \uc989 \ucc38\uc870 \uce74\uc6b4\ud2b8\uac00 1\uac1c \uac10\uc18c\ud569\ub2c8\ub2e4. \uac10\uc18c\ud588\ub2e4\ub294 \uac83\uc740 22\ubc88\uacfc 23\ubc88 \ucf54\ub4dc\uc5d0\uc11c \uac01\uac01 \ubaa8\ub450 1\uc774 \ud45c\uc2dc\ub418\ub294 \uac83\uc744 \ud1b5\ud574 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C++11\uc5d0\uc11c \uc0c8\ub86d\uac8c \ub3c4\uc785\ub41c \uc2a4\ub9c8\ud2b8 \ud3ec\uc778\ud130\ub294 unique_ptr, shared_ptr, weak_ptr\uc785\ub2c8\ub2e4. unique_ptr\uc740 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\uad8c\uc744 \uc624\uc9c1 \ud558\ub098\ub9cc \uac00\uc9c0\ub3c4\ub85d \ud558\ub294 \uac83\uc774\uace0 shared_ptr\uc740 \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc18c\uc720\uad8c\uc744 \uc5ec\ub7ec \uac1c\uc758 \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130\uac00 \uacf5\uc720\ud558\uba74\uc11c \ucc38\uc870 \uce74\uc6b4\ud2b8 \ubc29\uc2dd\uc73c\ub85c \uad00\ub9ac\ud558\uc5ec \ucc38\uc870 \uce74\uc6b4\ud2b8\uac00 0\uc77c\ub54c \uc2e4\uc81c \ub370\uc774\ud130\ub97c \ud574\uc81c\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. weak_ptr\uc740 share_ptr\ucc98\ub7fc \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uacf5\uc720\ud558\uc9c0\ub9cc \ucc38\uc870 \uce74\uc6b4\ud2b8\uc758 \uac12\uc744 \uc99d\uac00\ud558\uac70\ub098 \uac10\uc18c\uc2dc\ud0a4\uc9c0 \uc54a\ub294\ub2e4\ub294 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc138\uac1c\uc758 \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130\uc5d0 \ub300\ud574 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=2094\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;[C++11] \uc2a4\ub9c8\ud2b8\ud3ec\uc778\ud130(Smart Pointer)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117,8],"tags":[14],"class_list":["post-2094","post","type-post","status-publish","format-standard","hentry","category-cpp","category-programming","tag-c"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/2094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2094"}],"version-history":[{"count":1,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/2094\/revisions"}],"predecessor-version":[{"id":2825,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/2094\/revisions\/2825"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2094"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}