{"version":"1.0","provider_name":"\u60f3\u65b9\u6d89\u6cd5 - \u91cf\u74f6\u5916\u7684\u5929\u7a7a M-Y-Oceane","provider_url":"https:\/\/myoceane.fr","author_name":"\u6ab8\u6aac\u7238","author_url":"https:\/\/myoceane.fr\/index.php\/author\/johnny5584767gmail-com\/","title":"[C++] Smart Pointer \u6574\u7406 - \u60f3\u65b9\u6d89\u6cd5 - \u91cf\u74f6\u5916\u7684\u5929\u7a7a M-Y-Oceane","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"2E6wrgwGL4\"><a href=\"https:\/\/myoceane.fr\/index.php\/c-smart-pointer\/\">[C++] Smart Pointer \u6574\u7406<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/myoceane.fr\/index.php\/c-smart-pointer\/embed\/#?secret=2E6wrgwGL4\" width=\"600\" height=\"338\" title=\"&#8220;[C++] Smart Pointer \u6574\u7406&#8221; &#8212; \u60f3\u65b9\u6d89\u6cd5 - \u91cf\u74f6\u5916\u7684\u5929\u7a7a M-Y-Oceane\" data-secret=\"2E6wrgwGL4\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","description":"\u50b3\u7d71\u4e0a\u8a18\u61b6\u9ad4\u7684\u7ba1\u7406\u4e3b\u8981\u5229\u7528 new \u8ddf delete \u4f86\u9032\u884c\uff0c\u4f46\u662f\u5728\u6307\u6a19\u50b3\u905e\u7684\u6642\u5019\u5e38\u5e38\u6703\u4e0d\u77e5\u9053\u4f55\u6642\u61c9\u8a72\u8981\u91cb\u653e\u8a18\u61b6\u9ad4\uff1f \u6240\u8b02\u300cSmart Pointer\u300d\u662f\u5e79\u561b\u7684\u5462\uff1f\u57fa\u672c\u4e0a\uff0c\u4ed6\u662f\u4e00\u7a2e\u7528\u4f86\u6a21\u64ec\u50b3\u7d71\u7684 pointer\u3001\u63d0\u4f9b\u4e00\u4e9b\u9644\u52a0\u529f\u80fd\u7684\u7279\u6b8a\u8cc7\u6599\u578b\u5225\uff1b\u6bd4\u8f03\u5e38\u898b\u7684\u529f\u80fd\uff0c\u4e3b\u8981\u5c31\u662f\u900f\u904e\u81ea\u52d5\u8cc7\u6e90\u56de\u6536\uff08automatic garbage collection\uff09\u7684\u6a5f\u5236\u3001\u4f86\u9032\u884c\u8a18\u61b6\u9ad4\u7ba1\u7406\u4e86\u3002 \u91dd\u5c0d\u4ee5\u4e0b\u4e09\u7a2e C++11 \u652f\u63f4\u7684 smart pointer \u505a\u6574\u7406\uff1a 1. unique_ptr: \u78ba\u4fdd\u4e00\u4efd\u8cc7\u6e90\uff08\u88ab\u914d\u7f6e\u51fa\u4f86\u7684\u8a18\u61b6\u9ad4\u7a7a\u9593\uff09\u53ea\u6703\u88ab\u4e00\u500b unique_ptr"}