{"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\/de\/blog\/news\/perl-5-32-0","title":{"rendered":"Perl 5.32.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Die neue Version des Perl-Interpreters 5.32.0 ist ver\u00f6ffentlicht worden.<\/p>\n<p>Nach 13 Monaten Entwicklungszeit wurden 140.000 Zeilen in 880 Dateien ge\u00e4ndert.<\/p>\n<p><b>Die wichtigsten Neuerungen:<\/b>\n<\/p>\n<ul>\n<li> Ein neuer experimenteller Operator 'isa', der \u00fcberpr\u00fcft, ob das angegebene Objekt eine Instanz der \u00fcbergebenen Klasse oder einer Unterklasse ist:\n<p>if( $obj isa 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> Es ist nun m\u00f6glich, Vergleichsoperatoren mit derselben Priorit\u00e4t in einer Kette zu schreiben:<\/noindex>\n<p>if ( $x &lt; $y &lt;= $z ) {&#8230;}<\/p>\n<p>\nDas ist dasselbe wie:<\/p>\n<p>if ( $x &lt; $y &amp;&amp; $y &lt;= $z ) {&#8230;}<\/p>\n<p>\nDiese Besonderheit kann detaillierter im perlop (Abschnitt \u201eOperatorpr\u00e4zedenz und -assoziativit\u00e4t\u201c) nachgelesen werden.<\/li>\n<li> Buchstabenbezeichnungen f\u00fcr Aussagen in regul\u00e4ren Ausdr\u00fccken sind nicht mehr experimentell. Beispiel: (*pla:pattern), weitere Informationen in perlre.<\/li>\n<li> Die M\u00f6glichkeit, das gepr\u00fcfte Muster auf ein bestimmtes Schriftsystem zu beschr\u00e4nken (siehe \u201eScript Runs\u201c in perlre), ist nicht mehr experimentell.<\/li>\n<li> Es ist nun m\u00f6glich, indirekte Methodenaufrufe zu deaktivieren. Weitere Informationen findet man <a rel=\"nofollow\" href=\"https:\/\/www.effectiveperlprogramming.com\/2020\/06\/turn-off-indirect-object-notation\/\">in der Notiz von Brian D. Fo<\/a>.\n<\/li>\n<\/ul>\n<p><b>Einige Optimierungen:<\/b><\/p>\n<ul>\n<li> Die \u00dcberpr\u00fcfung des Anschlusses zus\u00e4tzlicher Features erfolgt jetzt schneller.<\/li>\n<li> Spezielle Anwendungsf\u00e4lle f\u00fcr die Sortierung wurden erheblich beschleunigt (es geht um {$a  $b} und {$b  $a}).<\/li>\n<\/ul>\n<p>Ich habe nur einige Dinge nach meinem Geschmack ausgew\u00e4hlt. Es gibt auch andere Neuerungen, die nicht mit fr\u00fcheren Versionen kompatibel sind, sowie Dokumentationsupdates und behobene Sicherheitsprobleme. Ich empfehle, das vollst\u00e4ndige perldelta unter dem Link zu lesen.<\/p>\n<p>Quelle: <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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