{"id":86203,"date":"2020-06-22T13:42:22","date_gmt":"2020-06-22T11:42:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/perl-5-32-0"},"modified":"2020-06-22T13:42:22","modified_gmt":"2020-06-22T11:42:22","slug":"perl-5-32-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/perl-5-32-0","title":{"rendered":"Perl 5.32.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den nye version af programmeringssproget Perl 5.32.0 er blevet lanceret.<\/p>\n<p>Det har v\u00e6ret 13 m\u00e5neder med udvikling, 140.000 \u00e6ndrede linjer i 880 filer.<\/p>\n<p><b>N\u00f8gleforbedringer:<\/b>\n<\/p>\n<ul>\n<li> En ny eksperimentel operator \"isa\", der kontrollerer, om det angivne objekt er en instans af den angivne klasse eller en underklasse:\n<p>hvis( $obj er en Package::Name ) { &#8230; }<\/p>\n<p>\n<noindex><\/li>\n<li> Support <a rel=\"nofollow\" href=\"https:\/\/www.unicode.org\/versions\/Unicode13.0.0\/\">Unicode 13.0<\/a>! <\/li>\n<li> Muligheden for at skrive sammenligningsoperatorer med \u00e9t prioritetsniveau som en k\u00e6de er tilf\u00f8jet:<\/noindex>\n<p>hvis ( $x &lt; $y &lt;= $z ) {&#8230;}<\/p>\n<p>\nDet samme som:<\/p>\n<p>hvis ( $x &lt; $y &amp;&amp; $y &lt;= $z ) {&#8230;}<\/p>\n<p>\nMan kan l\u00e6se mere om denne egenskab i perlop (afsnit &#171;Operator Precedence and Associativity&#187;).<\/li>\n<li> Brevforkortelser for udsagn i regul\u00e6re udtryk er ikke l\u00e6ngere eksperimentelle. Eksempel: (*pla:pattern), l\u00e6s mere i perlre.<\/li>\n<li> Muligheden for at begr\u00e6nse den kontrollerede skabelon til et specifikt skriftsystem (se &#171;Script Runs&#187; i perlre) er ikke l\u00e6ngere eksperimentel.<\/li>\n<li> Muligheden for at deaktivere indirekte metodeopkald er blevet tilf\u00f8jet. Du kan l\u00e6se mere <a rel=\"nofollow\" href=\"https:\/\/www.effectiveperlprogramming.com\/2020\/06\/turn-off-indirect-object-notation\/\">i notatet af Brian D Foy.<\/a>.\n<\/li>\n<\/ul>\n<p><b>Nogle optimeringer:<\/b><\/p>\n<ul>\n<li> Kontrol af tilf\u00f8jede funktionaliteter (features) sker nu hurtigere.<\/li>\n<li> Specialtilf\u00e6lde for sortering er blevet v\u00e6sentligt hurtigere (dette g\u00e6lder {$a  $b} og {$b  $a}).<\/li>\n<\/ul>\n<p>Jeg har kun valgt nogle f\u00e5 ting, som jeg bedst kan lide. Der er ogs\u00e5 andre forbedringer, inkompatible \u00e6ndringer i tidligere versioner, opdateringer af dokumentation og lukkede sikkerhedsproblemer. Jeg foresl\u00e5r, at du ser den fulde perldelta p\u00e5 linket.<\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/development\/15773487\">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 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Perl 5.32.0. \u041f\u043e\u0437\u0430\u0434\u0438 13 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438, 140 \u0442\u044b\u0441\u044f\u0447 \u0438\u0437\u043c\u0435\u043d\u0451\u043d\u043d\u044b\u0445 \u0441\u0442\u0440\u043e\u043a \u0432 880 \u0444\u0430\u0439\u043b\u0430\u0445. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u043d\u043e\u0432\u043e\u0432\u0432\u0435\u0434\u0435\u043d\u0438\u044f: \u041d\u043e\u0432\u044b\u0439 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 isa, \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0439 \u043e\u0431\u044a\u0435\u043a\u0442, \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u043e\u043c \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430 \u0438\u043b\u0438 \u043a\u043b\u0430\u0441\u0441\u0430-\u043d\u0430\u0441\u043b\u0435\u0434\u043d\u0438\u043a\u0430: if( $obj isa Package::Name ) { &#8230; } \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 Unicode 13.0! 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