{"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\/sv\/blog\/news\/dostupen-interpretator-mruby-3-0","title":{"rendered":"Tolkaren mruby 3.0 \u00e4r tillg\u00e4nglig","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Lansering av mruby 3.0, en inb\u00e4ddad tolk f\u00f6r det dynamiska, objektorienterade programmeringsspr\u00e5ket Ruby. Mruby garanterar syntaktisk kompatibilitet p\u00e5 Ruby 1.9-niv\u00e5, men st\u00f6djer dessutom specifika funktioner fr\u00e5n nyare versioner. Tolken k\u00e4nnetecknas av l\u00e5g minnesanv\u00e4ndning och m\u00f6jligheten att integreras i andra applikationer. Dessutom st\u00f6ds kompileringen av Ruby-program till bytekod med hj\u00e4lp av kompilatorn \"mrbc\" som utvecklas av projektet. Mruby-kod distribueras under MIT-licensen.<\/p>\n<p>I den nya versionen har minnesanv\u00e4ndningen i mruby VM minskats avsev\u00e4rt. Tidigare versioner kr\u00e4vde flera hundra KB RAM, medan mruby 3.0 nu endast anv\u00e4nder cirka 100 KB RAM. Huvudf\u00f6rb\u00e4ttringar:  <\/p>\n<ul>\n<li class=\"l\"> Minimalt minnesanv\u00e4ndning genom optimering av minneallokering f\u00f6r objekt av klassen Symbols. Minskad minnesanv\u00e4ndning f\u00f6r objekt av klassen Hash. Optimering av metodanrop har genomf\u00f6rts.\n<li class=\"l\"> St\u00f6d f\u00f6r enkelradsmetoddefinition utan att anv\u00e4nda nyckelordet \"end\" har lagts till: def square(x) = x * x\n<li class=\"l\"> Operat\u00f6ren \"=&gt;\" (v\u00e4rden =&gt; variabel) har lagts till, vilket anv\u00e4nds f\u00f6r h\u00f6gerorienterad tilldelning av v\u00e4rden. 0 =&gt; a p a #=&gt; 0 {b: 0, c: 1} =&gt; {b:} p b #=&gt; 0\n<li class=\"l\"> St\u00f6d f\u00f6r heredocs-konstruktioner.\n<li class=\"l\"> Byggfilerna f\u00f6r tolken har uppdaterats. Kompilering med gprof har lagts till. GCC kan nu kompilera i 32-bitarsl\u00e4ge p\u00e5 64-bitarsplattformar. St\u00f6det f\u00f6r Address Sanitizer med clang har introducerats.\n<li class=\"l\"> \u00c4ndring som bryter kompatibiliteten: konstanten RITE_VM_VER har nu v\u00e4rdet 0300, medan RITE_BINARY_FORMAT_VER \u00e4r 0200, vilket utesluter m\u00f6jligheten att k\u00f6ra bytekod fr\u00e5n tidigare versioner.\n<li class=\"l\"> Klassen Fixnum har blivit en del av Integer, precis som i Ruby 3.0. Klassen Integral har tagits bort.  <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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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