{"id":35875,"date":"2019-10-31T22:07:21","date_gmt":"2019-10-31T19:07:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/rust-1-36\/"},"modified":"2019-10-31T22:07:21","modified_gmt":"2019-10-31T19:07:21","slug":"rust-1-36","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/rust-1-36","title":{"rendered":"Rust 1.36","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Echipa de dezvoltatori este \u00eenc\u00e2ntat\u0103 s\u0103 v\u0103 prezinte Rust 1.36!<\/p>\n<p>Ce este nou \u00een Rust 1.36?<br \/>\n<noindex>Trait-ul Future a fost stabilizat, printre nout\u0103\u021bi: crate alloc, MaybeUninit, <a rel=\"nofollow\" href=\"http:\/\/blog.pnkfx.org\/blog\/2019\/06\/26\/breaking-news-non-lexical-lifetimes-arrives-for-everyone\/\"> NLL pentru Rust 2015<\/a>, o nou\u0103 implementare HashMap&lt;K, V&gt; \u0219i un nou flag &#8212;offline pentru Cargo.<\/p>\n<p><\/noindex><br \/>\n\u0218i acum, mai multe detalii:\n<\/p>\n<ul>\n<li> \u00cen Rust 1.36 finalmente <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/pull\/59739\">a fost stabilizat<\/a> trait-ul Future.\n    <\/li>\n<li>Crate alloc.<br \/> \u00cencep\u00e2nd cu Rust 1.36, p\u0103r\u021bile std care depind de alocatoarele globale (de exemplu, Vec) sunt incluse \u00een crate-ul alloc. Acum std reexporteaz\u0103 aceste p\u0103r\u021bi. <a rel=\"nofollow\" href=\"https:\/\/blog.rust-lang.org\/2019\/07\/04\/Rust-1.36.0.html#the-alloc-crate-is-stable\">Mai multe despre aceasta<\/a>.\n    <\/li>\n<li>MaybeUninit \u00een loc de mem::uninitialized.<br \/> \u00cen versiunile anterioare, mem::uninitialized v\u0103 permitea s\u0103 ocoli\u021bi verificarea ini\u021bializ\u0103rii, \u0219i era utilizat pentru alocarea lenient\u0103 a array-urilor, dar aceast\u0103 func\u021bie este destul de periculoas\u0103 (<a rel=\"nofollow\" href=\"https:\/\/blog.rust-lang.org\/2019\/07\/04\/Rust-1.36.0.html#maybeuninitt%3E-instead-of-mem::uninitialized\">mai multe<\/a>), de aceea tipul MaybeUninit a fost stabilizat, care este mai sigur. <br \/> \u0218i pentru c\u0103 MaybeUninit este o alternativ\u0103 mai sigur\u0103, \u00eencep\u00e2nd cu Rust 1.38, mem::uninitialized va fi marcat\u0103 ca func\u021bie \u00eenvechit\u0103. <br \/> Dac\u0103 dori\u021bi s\u0103 afla\u021bi mai multe despre memoriile neini\u021bializate, pute\u021bi citi articolul de pe blog (Alexis Beingessner).\n   <\/li>\n<li> NLL pentru Rust 2015. <br \/> \u00cen anun\u021bul <a rel=\"nofollow\" href=\"https:\/\/blog.rust-lang.org\/2018\/12\/06\/Rust-1.31-and-rust-2018.html#non-lexical-lifetimes\">Rust 1.31.0<\/a> dezvoltatorii ne-au vorbit despre NLL (Non-Lexical Lifetime), o \u00eembun\u0103t\u0103\u021bire a limbajului care face ca borrow checker s\u0103 fie mai inteligent \u0219i mai prietenos cu utilizatorul. Exemplu:<br \/>\nfn main() {<br \/>\n    let mut x = 5;<br \/>\n    let y = &amp;x;<br \/>\n    let z = &amp;mut x; \/\/ Acest lucru nu era permis \u00eenainte de 1.31.0.<br \/>\n}<\/p>\n<p>\u00cen 1.31.0, NLL a func\u021bionat doar \u00een Rust 2018, cu promisiunea c\u0103 dezvoltatorii vor ad\u0103uga suport \u0219i pentru Rust 2015. <br \/> Dac\u0103 dori\u021bi s\u0103 afla\u021bi mai multe despre NLL, pute\u021bi citi mai multe \u00een aceast\u0103 <a rel=\"nofollow\" href=\"http:\/\/blog.pnkfx.org\/blog\/2019\/06\/26\/breaking-news-non-lexical-lifetimes-arrives-for-everyone\/\"> postare de pe blog<\/a> (Felix Klocks).\n    <\/li>\n<li>Un nou flag pentru Cargo &#8212; &#8212;offline.<br \/>\u00cen Rust 1.36 s-a stabilizat un nou flag pentru Cargo. Flagul &#8212;offline \u00eei spune lui Cargo s\u0103 utilizeze dependen\u021bele cached local, pentru a putea fi folosite ulterior f\u0103r\u0103 internet. C\u00e2nd dependen\u021bele necesare nu sunt disponibile offline \u0219i dac\u0103 internetul este totu\u0219i necesar, Cargo va returna o eroare. Pentru a desc\u0103rca dependen\u021bele \u00een prealabil, se poate folosi comanda cargo fetch, care va desc\u0103rca toate dependen\u021bele.\n    <\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/cargo\/blob\/master\/CHANGELOG.md#cargo-136-2019-07-04\">Aici<\/a> pute\u021bi citi un rezumat mai detaliat al modific\u0103rilor.\n<\/li>\n<\/ul>\n<p>\nDe asemenea, exist\u0103 \u0219i modific\u0103ri \u00een biblioteca standard:\n<\/p>\n<ul>\n<li> Acum, macro-ul dbg!() poate accepta mai mul\u021bi argumenti.\n    <\/li>\n<li> Un num\u0103r de API-uri sunt acum marcate ca const:\n<ul>\n<li><a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/core\/alloc\/struct.Layout.html#method.from_size_align_unchecked\">Layout::from_size_align_unchecked<\/a>;\n        <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/mem\/fn.needs_drop.html\">mem::needs_drop<\/a>;\n        <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/ptr\/struct.NonNull.html#method.dangling\">NonNull::dangling<\/a>;\n        <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/ptr\/struct.NonNull.html#method.cast\">NonNull::cast<\/a>.\n        <\/li>\n<\/ul>\n<\/li>\n<li>Noi API-uri care au fost stabilizate:\n<ul>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/task\/struct.Waker.html\">task::Waker<\/a> \u0219i <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/task\/enum.Poll.html\">task::Poll<\/a>;\n        <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/collections\/struct.VecDeque.html#method.rotate_left\"> VecDeque::rotate_left<\/a> \u0219i <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/collections\/struct.VecDeque.html#method.rotate_right\">VecDeque::rotate_right<\/a>;\n       <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/io\/trait.Read.html#method.read_vectored\">Read::read_vectored<\/a> \u0219i <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/io\/trait.Write.html#method.write_vectored\">Write::write_vectored<\/a>;\n       <\/li>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/iter\/trait.Iterator.html#method.copied\">Iterator::copied<\/a>;\n       <\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/pull\/60404\">BorrowMut pentru String<\/a>;\n       <\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/primitive.str.html#method.as_mut_ptr\">str::as_mut_ptr<\/a>.\n       <\/li>\n<\/ul>\n<\/li>\n<li> Alte modific\u0103ri din biblioteca standard pot fi g\u0103site <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/blob\/master\/RELEASES.md#version-1360-2019-07-04\">aici<\/a>.\n<\/li>\n<\/ul>\n<p>\nAlte modific\u0103ri <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/blob\/master\/RELEASES.md#version-1360-2019-07-04\">Rust<\/a>, <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/cargo\/blob\/master\/CHANGELOG.md#cargo-136-2019-07-04\">Cargo<\/a> \u0219i <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-clippy\/blob\/master\/CHANGELOG.md#rust-136\">Clippy<\/a>.\n<\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15090750\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441 \u0440\u0430\u0434\u043e\u0441\u0442\u044c\u044e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u0430\u043c Rust 1.36! \u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 Rust 1.36? \u0421\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d \u0442\u0440\u0435\u0439\u0442 Future, \u0438\u0437 \u043d\u043e\u0432\u043e\u0433\u043e: \u043a\u0440\u0435\u0439\u0442 alloc, MaybeUninit&lt;T&gt;, NLL \u0434\u043b\u044f Rust 2015, \u043d\u043e\u0432\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f HashMap&lt;K, V&gt; \u0438 \u043d\u043e\u0432\u044b\u0439 \u0444\u043b\u0430\u0433 &#8212;offline \u0434\u043b\u044f Cargo. \u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435: \u0412 Rust 1.36 \u043d\u0430\u043a\u043e\u043d\u0435\u0446-\u0442\u043e \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0442\u0440\u0435\u0439\u0442 Future. \u041a\u0440\u0435\u0439\u0442 alloc. \u041d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 Rust 1.36, \u0447\u0430\u0441\u0442\u0438 std, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0437\u0430\u0432\u0438\u0441\u044f\u0442 [&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-35875","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441 \u0440\u0430\u0434\u043e\u0441\u0442\u044c\u044e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u0430\u043c Rust 1.36!\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 Rust 1.36?\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/rust-1-36\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Rust 1.36 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041a\u043e\u043c\u0430\u043d\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u0441 \u0440\u0430\u0434\u043e\u0441\u0442\u044c\u044e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u0430\u043c Rust 1.36!\u0427\u0442\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0432 Rust 1.36?\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/ro\/blog\/news\/rust-1-36\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:07:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:07:21+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Rust 1.36 | ProHoster","description":"Echipa de dezvoltare este \u00eenc\u00e2ntat\u0103 s\u0103 v\u0103 prezinte Rust 1.36! 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