{"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 Interpreters der Programmiersprache Perl 5.32.0 ist erschienen.<\/p>\n<p>Nach 13 Monaten Entwicklung, 140.000 ge\u00e4nderten Zeilen in 880 Dateien.<\/p>\n<p><b>Wesentliche Neuerungen:<\/b>\n<\/p>\n<ul>\n<li> Ein neuer experimenteller Operator 'isa', der pr\u00fcft, ob das angegebene Objekt eine Instanz der \u00fcbergebenen Klasse oder einer Unterklasse ist:\n<p>if( $obj isa Package::Name ) { \u2026 }<\/p>\n<p>\n<noindex><\/li>\n<li> Bestellen <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 Form einer Kette zu schreiben:<\/noindex>\n<p>if ( $x &lt; $y &lt;= $z ) {\u2026}<\/p>\n<p>\nDas ist dasselbe wie:<\/p>\n<p>if ( $x &lt; $y &amp;&amp; $y &lt;= $z ) {\u2026}<\/p>\n<p>\n\u00dcber dieses Feature kann man ausf\u00fchrlicher in perlop (Abschnitt \u201eOperatorpriorit\u00e4t und Assoziativit\u00e4t\u201c) nachlesen.<\/li>\n<li> Buchstabenbezeichnungen f\u00fcr Aussagen in regul\u00e4ren Ausdr\u00fccken sind nicht mehr experimentell. Beispiel: (*pla:pattern), weitere Informationen in perlre.<\/li>\n<li> Die M\u00f6glichkeit, das \u00fcberpr\u00fcfte Muster an ein bestimmtes Schriftsystem zu binden (siehe \u201eScript Runs\u201c in perlre) ist nicht mehr experimentell.<\/li>\n<li> Es gibt jetzt die M\u00f6glichkeit, indirekte Methodenausf\u00fchrungen abzuschalten. Weitere Informationen finden Sie <a rel=\"nofollow\" href=\"https:\/\/www.effectiveperlprogramming.com\/2020\/06\/turn-off-indirect-object-notation\/\">im Artikel von Brian D. Foy<\/a>.\n<\/li>\n<\/ul>\n<p><b>Einige Optimierungen:<\/b><\/p>\n<ul>\n<li> Die \u00dcberpr\u00fcfung der Verf\u00fcgbarkeit zus\u00e4tzlicher Funktionen erfolgt nun schneller.<\/li>\n<li> Spezielle F\u00e4lle f\u00fcr Sortierungen (es geht um {$a  $b} und {$b  $a}) sind deutlich beschleunigt worden.<\/li>\n<\/ul>\n<p>Ich habe nur einige Dinge nach meinem Geschmack ausgew\u00e4hlt. Es gibt weitere Neuerungen, inkompatible \u00c4nderungen, Aktualisierungen der Dokumentation und behobene Sicherheitsprobleme. Ich empfehle, das vollst\u00e4ndige perldelta \u00fcber den 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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