{"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\/sk\/blog\/news\/rust-1-36","title":{"rendered":"Rust 1.36","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>T\u00edm v\u00fdvoj\u00e1rov s rados\u0165ou predstavuje Rust 1.36!<\/p>\n<p>\u010co je nov\u00e9 v Ruste 1.36?<br \/>\n<noindex>Stabilizovan\u00fd je trait Future, z nov\u00e9ho: crate alloc, MaybeUninit, <a rel=\"nofollow\" href=\"http:\/\/blog.pnkfx.org\/blog\/2019\/06\/26\/breaking-news-non-lexical-lifetimes-arrives-for-everyone\/\"> NLL pre Rust 2015<\/a>, nov\u00e1 implement\u00e1cia HashMap&lt;K, V&gt; a nov\u00fd flag &#8212;offline pre Cargo.<\/p>\n<p><\/noindex><br \/>\nA teraz podrobnej\u0161ie:\n<\/p>\n<ul>\n<li> V Ruste 1.36 kone\u010dne <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/pull\/59739\">stabilizovali<\/a> trait Future.\n    <\/li>\n<li>Crate alloc.<br \/> Od Rusta 1.36 s\u00fa \u010dasti std, ktor\u00e9 z\u00e1visia od glob\u00e1lneho alok\u00e1tora (napr\u00edklad Vec), umiestnen\u00e9 v crate alloc. Teraz std znova exportuje tieto \u010dasti. <a rel=\"nofollow\" href=\"https:\/\/blog.rust-lang.org\/2019\/07\/04\/Rust-1.36.0.html#the-alloc-crate-is-stable\">Viac o tom<\/a>.\n    <\/li>\n<li>MaybeUninit namiesto mem::uninitialized.<br \/> V predch\u00e1dzaj\u00facich vydaniach mem::uninitialized umo\u017e\u0148oval ob\u00eds\u0165 kontrolu inicializ\u00e1cie, \u010do sa pou\u017e\u00edvalo na leniv\u00fa alok\u00e1ciu pol\u00ed, ale t\u00e1to funkcia je pomerne nebezpe\u010dn\u00e1 (<a rel=\"nofollow\" href=\"https:\/\/blog.rust-lang.org\/2019\/07\/04\/Rust-1.36.0.html#maybeuninitt%3E-instead-of-mem::uninitialized\">podrobnej\u0161ie<\/a>), a preto bol stabilizovan\u00fd typ MaybeUninit, ktor\u00fd je bezpe\u010dnej\u0161\u00ed. <br \/> A preto\u017ee MaybeUninit je bezpe\u010dnej\u0161ou alternat\u00edvou, od Rusta 1.38 bude mem::uninitialized zastaranou funkciou. <br \/> Ak chcete vedie\u0165 viac o neinitializovanej pam\u00e4ti, m\u00f4\u017eete si pre\u010d\u00edta\u0165 z\u00e1znam na blogu (Alexis Beingessner).\n   <\/li>\n<li> NLL pre Rust 2015. <br \/> V ozn\u00e1men\u00ed <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> v\u00fdvoj\u00e1ri hovorili o NLL (Non-Lexical Lifetime), vylep\u0161en\u00ed jazyka, ktor\u00e9 rob\u00ed borrow checker inteligentnej\u0161\u00edm a priate\u013eskej\u0161\u00edm pre pou\u017e\u00edvate\u013ea. Pr\u00edklad:<br \/>\nfn main() {<br \/>\n    let mut x = 5;<br \/>\n    let y = &amp;x;<br \/>\n    let z = &amp;mut x; \/\/ Toto pred 1.31.0 nebolo povolen\u00e9.<br \/>\n}<\/p>\n<p>V 1.31.0 NLL fungoval iba v Ruste 2018 s pr\u00eds\u013eubom, \u017ee v\u00fdvoj\u00e1ri pridaj\u00fa podporu aj do Rusta 2015. <br \/> Ak chcete vedie\u0165 viac o NLL, m\u00f4\u017eete si o \u0148om pre\u010d\u00edta\u0165 viac v tejto <a rel=\"nofollow\" href=\"http:\/\/blog.pnkfx.org\/blog\/2019\/06\/26\/breaking-news-non-lexical-lifetimes-arrives-for-everyone\/\"> \u010dl\u00e1nku na blogu<\/a> (Felix Klocks).\n    <\/li>\n<li>Nov\u00fd flag pre Cargo &#8212; &#8212;offline.<br \/>V Rust 1.36 bol stabilizovan\u00fd nov\u00fd flag pre Cargo. Flag &#8212;offline hovor\u00ed Cargo, aby pou\u017e\u00edval lok\u00e1lne vyrovn\u00e1vacie z\u00e1vislosti, aby ich bolo mo\u017en\u00e9 nesk\u00f4r pou\u017e\u00edva\u0165 bez internetu. Ke\u010f s\u00fa po\u017eadovan\u00e9 z\u00e1vislosti nedostupn\u00e9 offline, a ak internet st\u00e1le potrebujete, Cargo vr\u00e1ti chybu. Na predbe\u017en\u00e9 stiahnutie z\u00e1vislost\u00ed m\u00f4\u017eete pou\u017ei\u0165 pr\u00edkaz cargo fetch, ktor\u00fd stiahne v\u0161etky z\u00e1vislosti.\n    <\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/cargo\/blob\/master\/CHANGELOG.md#cargo-136-2019-07-04\">Tu<\/a> m\u00f4\u017eete si pre\u010d\u00edta\u0165 podrobnej\u0161\u00ed preh\u013ead zmien.\n<\/li>\n<\/ul>\n<p>\nTie\u017e s\u00fa tu zmeny v \u0161tandardnej kni\u017enici:\n<\/p>\n<ul>\n<li> Teraz m\u00f4\u017ee makro dbg!() prij\u00edma\u0165 nieko\u013eko argumentov.\n    <\/li>\n<li> Niektor\u00e9 API s\u00fa teraz ozna\u010den\u00e9 ako 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>Nov\u00e9 API, ktor\u00e9 boli stabilizovan\u00e9:\n<ul>\n<li> <a rel=\"nofollow\" href=\"https:\/\/doc.rust-lang.org\/std\/task\/struct.Waker.html\">task::Waker<\/a> a <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> a <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> a <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 pre 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> \u010eal\u0161ie zmeny v \u0161tandardnej kni\u017enici n\u00e1jdete <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust\/blob\/master\/RELEASES.md#version-1360-2019-07-04\">tu<\/a>.\n<\/li>\n<\/ul>\n<p>\n\u010eal\u0161ie zmeny <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> a <a rel=\"nofollow\" href=\"https:\/\/github.com\/rust-lang\/rust-clippy\/blob\/master\/CHANGELOG.md#rust-136\">Clippy<\/a>.\n<\/p>\n<p>Zdroj: <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 5.0.5 - 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\/sk\/blog\/news\/rust-1-36\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"sk_SK\" \/>\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\/sk\/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":"T\u00edm v\u00fdvoj\u00e1rov s rados\u0165ou predstavuje Rust 1.36! 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