{"id":1538,"date":"2020-05-12T10:54:20","date_gmt":"2020-05-12T02:54:20","guid":{"rendered":"http:\/\/bloo.heing.fun\/?p=1538"},"modified":"2020-05-17T12:10:26","modified_gmt":"2020-05-17T04:10:26","slug":"c-%e6%99%ba%e8%83%bd%e6%8c%87%e9%92%88","status":"publish","type":"post","link":"https:\/\/bloo.heing.fun\/?p=1538","title":{"rendered":"c++ \u667a\u80fd\u6307\u9488 unique_ptr"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\n#include &lt;condition_variable>\n#include &lt;atomic>\n#include &lt;thread>\n#include &lt;future>\n#include &lt;vector>\n\nusing namespace std;\nclass A {\npublic:\n    A(int _x): x(_x) {\n\n    }\n    A () {\n        x = 0;\n    }\n    int x;\n};\nint main()\n{\n    unique_ptr&lt;A> p (new A);\n    cout&lt;&lt;p->x&lt;&lt;endl;\n    unique_ptr&lt;A> p2 (new A(500));\n    cout&lt;&lt;p2->x&lt;&lt;endl;\n\n    \/\/ \u4ece\u4e00\u4e2a\u5df2\u521d\u59cb\u5316\u7684\u7c7b\uff0c\n    A a(12);\n    unique_ptr&lt;A> p3 (&amp;a);\n    cout&lt;&lt;p3->x&lt;&lt;endl;\n\n   \/*\n   x unique_ptr&lt;A> p4; x\n   x p4 = new A(333) x\n   *\/\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>void f1(unique_ptr&lt;int> p);\nunique_ptr&lt;int> p = make_unique&lt;int>(1);\n\/\/ \u8fd9\u91cc\u5fc5\u987bmove\uff0c\u67d0\u79cdcompile error\nf1(move(p));\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76,36],"tags":[],"class_list":["post-1538","post","type-post","status-publish","format-standard","hentry","category-cplusplus","category-36"],"_links":{"self":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1538"}],"version-history":[{"count":4,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1538\/revisions"}],"predecessor-version":[{"id":1577,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1538\/revisions\/1577"}],"wp:attachment":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}