{"id":76909,"date":"2020-04-06T01:42:26","date_gmt":"2020-04-05T23:42:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-nim-1-2-0"},"modified":"2020-04-06T01:42:26","modified_gmt":"2020-04-05T23:42:26","slug":"reliz-nim-1-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/reliz-nim-1-2-0","title":{"rendered":"Release av Nim 1.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den nya versionen av det systemprogrammeringsspr\u00e5ket Nim har sl\u00e4ppts. Den har partiell inkompatibilitet med version 1.0, till exempel p\u00e5 grund av striktare typkonverteringar. Men f\u00f6r detta finns en flagga \u2014useVersion:1.0.<\/p>\n<p><noindex><noindex><\/p>\n<p>Den st\u00f6rsta nyheten \u00e4r den nya skr\u00e4phanteraren, aktiverad med alternativet \u2014gc:arc. Spr\u00e5kets skapare Andreas Rumpf planerar att skriva en detaljerad artikel om f\u00f6rdelarna med ARC, men tills dess f\u00f6resl\u00e5r han att man kollar in <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=yA32Wxl59wo\">hans presentation p\u00e5 FOSDEM<\/a>, d\u00e4r resultaten av benchmarktester visas.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<ul>\n<li>Kompilatorn st\u00f6der nu alternativet \u2014asm f\u00f6r att underl\u00e4tta studiet av den genererade assemblerkoden.<\/li>\n<li>align pragma kan anv\u00e4ndas f\u00f6r variabler och objektf\u00e4lt, detta liknar alignas i C\/C++.<\/li>\n<li>=sink operatorn \u00e4r nu valfri. Kompilatorn kan nu anv\u00e4nda en kombination av =destroy och copyMem f\u00f6r effektiv flyttning av objekt.<\/li>\n<li>Konverteringar till unsigned integers kontrolleras inte vid k\u00f6rning. Mer information i <a rel=\"nofollow\" href=\"https:\/\/github.com\/nim-lang\/RFCs\/issues\/175\">https:\/\/github.com\/nim-lang\/RFCs\/issues\/175<\/a><\/li>\n<li>Den nya syntaxen f\u00f6r lvalue: var b {.byaddr.} = expr, kopplas in via import std\/decls<\/li>\n<li>Kompilatorn st\u00f6der den nya nyckeln \u2014panics:on, som omvandlar k\u00f6rning fel som IndexError eller OverflowError till fatala fel som inte kan f\u00e5ngas med try. Detta kan f\u00f6rb\u00e4ttra runtime-effektivitet och programstorlek.<\/li>\n<li>Den genererade JS-koden anv\u00e4nder endast mellanslag ist\u00e4llet f\u00f6r en blandning av mellanslag och tabbar.<\/li>\n<li>Kompilatorn har f\u00e5tt st\u00f6d f\u00f6r .localPassc pragma, som g\u00f6r det m\u00f6jligt att hantera speciella alternativ f\u00f6r C(++)-backend f\u00f6r C(+) filen som genereras fr\u00e5n den aktuella Nim-modulen.<\/li>\n<li>Nimpretty accepterar nu inte l\u00e4ngre negativa argument f\u00f6r att justera indraget, eftersom detta f\u00f6rst\u00f6rde filer.<\/li>\n<li>Nya makron (collect, dup, capture) har lagts till, som kopplas in via import sugar.<\/li>\n<\/ul>\n<p>Ut\u00f6ver detta har m\u00e5nga \u00e4ndringar lagts till i standardbiblioteket och ett flertal buggfixar.<\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15623647\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u0448\u043b\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0441\u0438\u0441\u0442\u0435\u043c\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 Nim. \u0412 \u043d\u0435\u0439 \u0438\u043c\u0435\u0435\u0442\u0441\u044f \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u0430\u044f \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u0432\u0435\u0440\u0441\u0438\u0435\u0439 1.0, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0438\u0437-\u0437\u0430 \u0431\u043e\u043b\u0435\u0435 \u0441\u0442\u0440\u043e\u0433\u043e\u0433\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0438\u043f\u043e\u0432. \u041d\u043e \u043d\u0430 \u044d\u0442\u043e\u0442 \u0441\u043b\u0443\u0447\u0430\u0439 \u0435\u0441\u0442\u044c \u0444\u043b\u0430\u0433 &#8212;useVersion:1.0. \u0413\u043b\u0430\u0432\u043d\u043e\u0435 \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u2014 \u043d\u043e\u0432\u044b\u0439 \u0441\u0431\u043e\u0440\u0449\u0438\u043a \u043c\u0443\u0441\u043e\u0440\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u044b\u0439 \u043e\u043f\u0446\u0438\u0435\u0439 &#8212;gc:arc. \u0410\u0432\u0442\u043e\u0440 \u044f\u0437\u044b\u043a\u0430 Andreas Rumpf \u0441\u043e\u0431\u0440\u0430\u0435\u0442\u0441\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0443\u044e \u0441\u0442\u0430\u0442\u044c\u044e \u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430\u0445 ARC, \u0430 \u043f\u043e\u043a\u0430 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u043e\u0437\u043d\u0430\u043a\u043e\u043c\u0438\u0442\u044c\u0441\u044f \u0441 \u0435\u0433\u043e \u0432\u044b\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0435\u043c [&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-76909","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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