{"id":99369,"date":"2021-03-06T22:22:34","date_gmt":"2021-03-06T20:22:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-interpretator-mruby-3-0"},"modified":"2021-03-06T22:22:34","modified_gmt":"2021-03-06T20:22:34","slug":"dostupen-interpretator-mruby-3-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/dostupen-interpretator-mruby-3-0","title":{"rendered":"Est\u00e1 dispon\u00edvel o interpretador mruby 3.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o mruby 3.0, um interpretador incorporado para a linguagem de programa\u00e7\u00e3o orientada a objetos din\u00e2mica Ruby. O mruby garante compatibilidade com a sintaxe da vers\u00e3o Ruby 1.9, mas tamb\u00e9m suporta alguns recursos de vers\u00f5es mais novas. O interpretador se destaca pelo baixo consumo de mem\u00f3ria e pela capacidade de incorpora\u00e7\u00e3o em outros aplicativos. Al\u00e9m disso, \u00e9 poss\u00edvel compilar programas Ruby em bytecode utilizando o compilador 'mrbc', desenvolvido pelo projeto. O c\u00f3digo do mruby \u00e9 distribu\u00eddo sob a licen\u00e7a MIT.<\/p>\n<p>Na nova vers\u00e3o, o consumo de mem\u00f3ria utilizada pela m\u00e1quina virtual mruby foi significativamente reduzido. Vers\u00f5es anteriores requeriam v\u00e1rias centenas de KB de mem\u00f3ria RAM, enquanto o mruby 3.0 consome cerca de 100 KB de RAM. Melhoria principal:  <\/p>\n<ul>\n<li class=\"l\"> Redu\u00e7\u00e3o do consumo de mem\u00f3ria RAM por meio da otimiza\u00e7\u00e3o da aloca\u00e7\u00e3o de mem\u00f3ria para objetos da classe Symbols. O consumo de mem\u00f3ria por objetos da classe Hash foi diminu\u00eddo. A chamada de m\u00e9todos foi otimizada.\n<li class=\"l\"> Adicionada suporte para a defini\u00e7\u00e3o de m\u00e9todos em uma \u00fanica linha sem utilizar a palavra-chave 'end': def square(x) = x * x\n<li class=\"l\"> Adicionado o operador '=&gt;' (valores =&gt; vari\u00e1vel), que \u00e9 usado para a atribui\u00e7\u00e3o de valores \u00e0 direita. 0 =&gt; a p a #=&gt; 0 {b: 0, c: 1} =&gt; {b:} p b #=&gt; 0\n<li class=\"l\"> Suporte a constru\u00e7\u00f5es heredocs.\n<li class=\"l\"> Arquivos de constru\u00e7\u00e3o do interpretador foram atualizados. Adicionada a compila\u00e7\u00e3o com gprof. O GCC agora pode compilar em modo de 32 bits em plataformas de 64 bits. Suporte ao Address Sanitizer foi adicionado no clang.\n<li class=\"l\"> Mudan\u00e7a incompat\u00edvel: a constante RITE_VM_VER agora tem o valor 0300, e RITE_BINARY_FORMAT_VER \u00e9 0200, o que exclui a possibilidade de execu\u00e7\u00e3o de bytecode de vers\u00f5es anteriores.\n<li class=\"l\"> A classe Fixnum se tornou parte da Integer, assim como em Ruby 3.0. A classe Integral foi removida.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54712\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 mruby 3.0, \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Ruby. Mruby \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441\u0430 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 Ruby 1.9, \u043d\u043e \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0438\u0437 \u0431\u043e\u043b\u0435\u0435 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439. \u0418\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043d\u0438\u0437\u043a\u0438\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u043d\u0438\u044f \u0432 \u0434\u0440\u0443\u0433\u0438\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f Ruby-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u0432 \u0431\u0430\u0439\u0442\u043a\u043e\u0434 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 &#171;mrbc&#187;. \u041a\u043e\u0434 mruby \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99369","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 mruby 3.0, \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e 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