{"id":86435,"date":"2020-06-25T01:42:12","date_gmt":"2020-06-24T23:42:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/anonsirovan-perl-7"},"modified":"2020-06-25T01:42:12","modified_gmt":"2020-06-24T23:42:12","slug":"anonsirovan-perl-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/anonsirovan-perl-7","title":{"rendered":"Og\u0142oszenie Perl 7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Na dzisiejszej wirtualnej konferencji dla programist\u00f3w j\u0119zyka Perl <noindex><a rel=\"nofollow\" href=\"https:\/\/www.perl.com\/article\/announcing-perl-7\/\">og\u0142oszono<\/a><\/noindex> projekt Perl 7, kt\u00f3ry p\u0142ynnie kontynuuje rozw\u00f3j ga\u0142\u0119zi Perl 5 bez wprowadzania radykalnych zmian. Perl 7 b\u0119dzie podobny do wydania <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53207\">Perl 5.32.0<\/a><\/noindex>, z wyj\u0105tkiem innych ustawie\u0144 domy\u015blnych, kt\u00f3re lepiej odpowiadaj\u0105 wsp\u00f3\u0142czesnej praktyce programistycznej. W pozosta\u0142ych aspektach Perl 7 pozostanie tym samym Perl 5 i zachowa zgodno\u015b\u0107 z wcze\u015bniej opracowanymi aplikacjami.<\/p>\n<p>Znacz\u0105ca zmiana numeru wersji b\u0119dzie swoistym rozdzielnikiem przej\u015bcia do nowego modelu zwi\u0119kszania funkcjonalno\u015bci j\u0119zyka Perl bez odczuwalnych narusze\u0144 wstecznej zgodno\u015bci.<br \/>\nZak\u0142ada si\u0119, \u017ce stworzenie Perl 7 pomo\u017ce przyci\u0105gn\u0105\u0107 nowych programist\u00f3w do korzystania z Perla oraz usprawni proces dodawania istotnych nowych mo\u017cliwo\u015bci do j\u0119zyka, zachowuj\u0105c jednocze\u015bnie zgodno\u015b\u0107 z baz\u0105 kodu istniej\u0105cych projekt\u00f3w. Numer 7 zosta\u0142 wybrany, poniewa\u017c Perl 6 by\u0142 u\u017cyty podczas opracowywania j\u0119zyka, kt\u00f3ry teraz <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51679\">rozwijana jest<\/a><\/noindex> funkcjonuje pod inn\u0105 nazw\u0105 Raku. Pierwsze wydanie Perl 7 spodziewane jest w przysz\u0142ym roku. Ga\u0142\u0105\u017a Perl 5.32 stanie si\u0119 ostatni\u0105 w serii Perl 5 i planowane jest jej wsparcie przez 5 do 10 lat.<\/p>\n<p>Najbardziej zauwa\u017caln\u0105 zmian\u0105 w Perl 7 b\u0119dzie w\u0142\u0105czenie domy\u015blnie trybu &lt;<noindex><a rel=\"nofollow\" href=\"https:\/\/perldoc.perl.org\/strict.html\">strict<\/a><\/noindex>&lt;, kt\u00f3ry zak\u0142ada \u015bcis\u0142\u0105 kontrol\u0119 deklaracji zmiennych, wykorzystania wska\u017anik\u00f3w znakowych i przypisywania podprogram\u00f3w. U\u017cycie  jest dobr\u0105 praktyk\u0105 i jest stosowane przez wi\u0119kszo\u015b\u0107 programist\u00f3w. Podobnie planuje si\u0119 domy\u015blnie w\u0142\u0105czy\u0107 obs\u0142ug\u0119 ostrze\u017ce\u0144 (&lt;<noindex><a rel=\"nofollow\" href=\"https:\/\/perldoc.perl.org\/warnings.html\">use warnings<\/a><\/noindex>&#171;).<\/p>\n<p> W Perl 7 tak\u017ce planuje si\u0119 stabilizacj\u0119 oraz domy\u015blne w\u0142\u0105czenie niekt\u00f3rych ju\u017c istniej\u0105cych eksperymentalnych mo\u017cliwo\u015bci, takich jak  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39865\">sygnatury funkcji<\/a><\/noindex> (), kt\u00f3re pozwalaj\u0105 przy definiowaniu funkcji okre\u015bli\u0107 argumenty wej\u015bciowe i zautomatyzowa\u0107 kontrol\u0119 ich liczby (mo\u017cna b\u0119dzie pisa\u0107 &lt;sub foo ($left, $right) { zamiast &lt;sub foo { my($left, $right) = @_;). Planuje si\u0119 tak\u017ce domy\u015blnie w\u0142\u0105czy\u0107 wsparcie dla operatora  do sprawdzania, czy obiekt jest instancj\u0105 okre\u015blonej klasy lub klasy pochodnej (, a tak\u017ce operacji postderef $* &gt; zamiast , @* &gt; zamiast  oraz %{ ... }&gt; zamiast . <\/p>\n<p>Kandydatami do wy\u0142\u0105czenia domy\u015blnego w Perl 7 s\u0105:<\/p>\n<ul>\n<li class=\"l\"> Po\u015brednia notacja wywo\u0142ywania obiekt\u00f3w (&lt;<noindex><a rel=\"nofollow\" href=\"https:\/\/metacpan.org\/pod\/indirect\">brak funkcji qw(indirect)<\/a><\/noindex>&lt;) \u2014 przestarza\u0142y spos\u00f3b wywo\u0142ywania obiekt\u00f3w, w kt\u00f3rym zamiast  u\u017cywa si\u0119 spacji ( zamiast $method(@param)&gt;). Na przyk\u0142ad, zamiast  zawsze trzeba b\u0119dzie u\u017cywa\u0107 new&gt;.\n<li class=\"l\"> Surowe deskryptory plik\u00f3w bez deklaracji zmiennych (&lt;<noindex><a rel=\"nofollow\" href=\"https:\/\/metacpan.org\/pod\/bareword::filehandles\">brak 'bareword::filehandle'<\/a><\/noindex>&lt;) \u2014 u\u017cycie konstrukcji typu  spowoduje b\u0142\u0105d, nale\u017cy u\u017cywa\u0107 . Zmiana nie dotknie standardowych deskryptor\u00f3w plik\u00f3w STDIN, STDOUT, STDERR, ARGV, ARGVOUT i DATA.\n<li class=\"l\"> Fa\u0142szywe wielowymiarowe tablice i hasze w stylu Perl 4 (&lt;<noindex><a rel=\"nofollow\" href=\"https:\/\/metacpan.org\/pod\/multidimensional\">brak 'multidimensional'<\/a><\/noindex>&#171;).<br \/>\nNa przyk\u0142ad, podanie  spowoduje b\u0142\u0105d, nale\u017cy u\u017cywa\u0107 po\u015bredniej tablicy, na przyk\u0142ad .<\/p>\n<li class=\"l\"> Deklaracja prototyp\u00f3w w stylu Perl 4 (nale\u017cy u\u017cywa\u0107 ).\n<\/ul>\n<p>W bardziej odleg\u0142ych planach domy\u015blnie planuje si\u0119 w\u0142\u0105czenie wsparcia dla Unicode, co uwolni programist\u00f3w od konieczno\u015bci podawania  w kodzie. Dla modu\u0142\u00f3w i skrypt\u00f3w, w kt\u00f3rych wyst\u0105pi\u0105 problemy z nowymi ustawieniami domy\u015blnymi, przewidziano mo\u017cliwo\u015b\u0107 powrotu do zachowa\u0144 Perl 5 poprzez dodanie do kodu linii . Niekt\u00f3re ustawienia b\u0119d\u0105 r\u00f3wnie\u017c utrzymywane i b\u0119dzie mo\u017cna je zmienia\u0107 osobno.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53226\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0437\u044b\u043a\u0430 Perl \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0435\u043a\u0442 Perl 7, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043b\u0430\u0432\u043d\u043e \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0442 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 Perl 5 \u0431\u0435\u0437 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0440\u0430\u0434\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439. Perl 7 \u0431\u0443\u0434\u0435\u0442 \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a\u0443 Perl 5.32.0, \u0437\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0438\u043d\u044b\u0445 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, \u043b\u0443\u0447\u0448\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. \u0412 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u043e\u043c Perl 7 \u043e\u0441\u0442\u0430\u043d\u0435\u0442\u0441\u044f \u0442\u0435\u043c \u0436\u0435 Perl 5 \u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u0440\u0430\u043d\u0435\u0435 [&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-86435","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0437\u044b\u043a\u0430 Perl \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043d 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