{"id":5761,"date":"2017-03-26T04:42:11","date_gmt":"2017-03-26T04:42:11","guid":{"rendered":"http:\/\/anthropoya.cluster014.ovh.net\/blog-informatique\/?p=5761"},"modified":"2020-01-13T11:36:42","modified_gmt":"2020-01-13T11:36:42","slug":"utilisation-des-stdarray-en-c11","status":"publish","type":"post","link":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/?p=5761","title":{"rendered":"Utilisation des std::array en C++11"},"content":{"rendered":"<p><a href=\"https:\/\/anthropoya.cluster014.ovh.net\/blog-informatique\/wp-content\/uploads\/2017\/03\/arrays.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-5763\" src=\"https:\/\/anthropoya.cluster014.ovh.net\/blog-informatique\/wp-content\/uploads\/2017\/03\/arrays.png\" alt=\"arrays\" width=\"399\" height=\"371\" srcset=\"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/wp-content\/uploads\/2017\/03\/arrays.png 459w, https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/wp-content\/uploads\/2017\/03\/arrays-300x279.png 300w\" sizes=\"(max-width: 399px) 100vw, 399px\" \/><\/a><\/p>\n<p><strong>Intro :<\/strong><\/p>\n<p>L&rsquo;objet de la classe <strong>std::array<\/strong> permet de repr\u00e9senter en m\u00e9moire un<strong> tableau statique<\/strong> dont le nombre d&rsquo;\u00e9l\u00e9ments est connue \u00e0 la compilation et est fix\u00e9 \u00e0 l&rsquo;avance.<\/p>\n<p><strong>Pr\u00e9requis :<\/strong><\/p>\n<p>&#8211; Savoir lire du <em>C++<\/em><\/p>\n<p><strong>Explications :<\/strong><\/p>\n<p>On peut l&rsquo;initialiser d&#8217;embl\u00e9e :<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\nstd::array&lt;int, 5&gt; a = {1, 2, 3, 4, 5};\r\n<\/pre>\n<p>Voil\u00e0 une d\u00e9claration suppl\u00e9mentaire :  <\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n#include &lt;array&gt;\r\n\u00a0\r\nstd::array&lt;int, 3&gt; UnArray;\r\n\r\n<\/pre>\n<p>Les donn\u00e9es de ce type de tableau sont stock\u00e9es de mani\u00e8re contigu en m\u00e9moire.<\/p>\n<p><strong>R\u00e9sum\u00e9 :<\/strong><\/p>\n<p>A l&rsquo;oppos\u00e9 des tableaux classiques, les tableaux d\u00e9clar\u00e9s avec la classe std::array stocke aussi le nombre d&rsquo;\u00e9l\u00e9ments du tableau en m\u00e9moire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Intro : L&rsquo;objet de la classe std::array permet de repr\u00e9senter en m\u00e9moire un tableau statique dont le nombre d&rsquo;\u00e9l\u00e9ments est connue \u00e0 la compilation et est fix\u00e9 \u00e0 l&rsquo;avance. Pr\u00e9requis : &#8211; Savoir lire du C++ Explications : On peut l&rsquo;initialiser d&#8217;embl\u00e9e : Voil\u00e0 une d\u00e9claration suppl\u00e9mentaire : Les donn\u00e9es de ce type de tableau [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5761"}],"collection":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5761"}],"version-history":[{"count":29,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5761\/revisions"}],"predecessor-version":[{"id":5815,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=\/wp\/v2\/posts\/5761\/revisions\/5815"}],"wp:attachment":[{"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.la-porte-des-nebuleuses.net\/blog-informatique\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}