{"id":104162,"date":"2022-05-26T21:37:04","date_gmt":"2022-05-26T19:37:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/perl-7-plavno-prodolzhit-razvitie-perl-5-bez-narusheniya-obratnoj-sovmestiosti"},"modified":"2022-05-26T21:37:04","modified_gmt":"2022-05-26T19:37:04","slug":"perl-7-plavno-prodolzhit-razvitie-perl-5-bez-narusheniya-obratnoj-sovmestiosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/perl-7-plavno-prodolzhit-razvitie-perl-5-bez-narusheniya-obratnoj-sovmestiosti","title":{"rendered":"Perl 7 continuera le d\u00e9veloppement de Perl 5 sans compromettre la r\u00e9trocompatibilit\u00e9.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le conseil d'administration du projet Perl a r\u00e9sum\u00e9 ses plans pour le d\u00e9veloppement futur de la branche Perl 5 et la cr\u00e9ation de la branche Perl 7. Au cours des discussions, le conseil a convenu qu'il n'\u00e9tait pas acceptable de rompre la compatibilit\u00e9 avec le code d\u00e9j\u00e0 \u00e9crit pour Perl 5, sauf dans les cas o\u00f9 cette rupture est n\u00e9cessaire pour corriger des vuln\u00e9rabilit\u00e9s. Le conseil a \u00e9galement conclu que le langage doit \u00e9voluer et que de nouvelles fonctionnalit\u00e9s doivent \u00eatre davantage promues, tout en simplifiant l'acc\u00e8s aux innovations \u00e9mergentes et en encourageant leur adoption.      <\/p>\n<p>Contrairement aux intentions initiales, permettant d'inclure par d\u00e9faut dans la branche Perl 7 des modifications rompant la compatibilit\u00e9, le nouveau plan pr\u00e9voit une transition progressive de la branche Perl 5 vers Perl 7 sans violer la compatibilit\u00e9 avec le code existant. La sortie de Perl 7.0 ne sera conceptuellement pas diff\u00e9rente d'une nouvelle branche Perl 5.xx.    <\/p>\n<p>Le d\u00e9veloppement des nouvelles versions de Perl 5 se poursuivra de la m\u00eame mani\u00e8re \u2014 les nouvelles fonctionnalit\u00e9s ajout\u00e9es \u00e0 la branche, qui ne sont pas compatibles avec l'ancien code, seront incluses uniquement sur indication explicite dans le code de la pragma \u00ab use version \u00bb ou \u00ab use feature feature_name \u00bb. Par exemple, dans la version Perl 5.010, un nouveau mot-cl\u00e9 \u00ab say \u00bb a \u00e9t\u00e9 introduit, mais \u00e9tant donn\u00e9 que des fonctions portant le nom \u00ab say \u00bb pouvaient \u00eatre utilis\u00e9es dans le code existant, le support du nouveau mot-cl\u00e9 n'a \u00e9t\u00e9 activ\u00e9 que sur indication explicite de la pragma \u00ab use feature 'say' \u00bb.     <\/p>\n<p>La nouvelle syntaxe ajout\u00e9e au langage, qui provoquait une erreur lors du traitement dans les versions pr\u00e9c\u00e9dentes, devient imm\u00e9diatement disponible sans la n\u00e9cessit\u00e9 d'indiquer des pragmas sp\u00e9ciaux. Par exemple, dans Perl 5.36, une syntaxe simplifi\u00e9e pour le traitement simultan\u00e9 de plusieurs valeurs de la liste (\u00ab foreach my ($key, $value) (%hash) { \u00bb) sera disponible imm\u00e9diatement, m\u00eame dans le code sans pragma \u00ab use v5.36 \u00bb.     <\/p>\n<p>Dans son \u00e9tat actuel, dans Perl 5.36, l'utilisation de la pragma \u00ab use v5.36 \u00bb active 13 fonctionnalit\u00e9s incompatibles (\u00ab say \u00bb, \u00ab state \u00bb, \u00ab current_sub \u00bb, \u00ab fc \u00bb, \u00ab lexical_subs \u00bb, \u00ab signatures \u00bb, \u00ab isa \u00bb, \u00ab bareword_filehandles \u00bb, \u00ab bitwise \u00bb, \u00ab evalbytes \u00bb, \u00ab postderef_qq \u00bb, \u00ab unicode_eval \u00bb et \u00ab unicode_strings \u00bb), active par d\u00e9faut les modes \u00ab use strict \u00bb et \u00ab use warnings \u00bb et d\u00e9sactive le support de la notation d'appel d'objets obsol\u00e8te (o\u00f9 un espace est utilis\u00e9 au lieu de \u00ab -&gt; \u00bb) et des tableaux et hachages multidimensionnels au style Perl 4 (\u00ab $hash{1, 2} \u00bb).      <\/p>\n<p>Lorsque suffisamment de changements auront \u00e9t\u00e9 accumul\u00e9s, plut\u00f4t qu'une autre version de Perl 5.x, une version Perl 7.0 sera form\u00e9e, qui repr\u00e9sentera un instantan\u00e9 de l'\u00e9tat, mais restera enti\u00e8rement r\u00e9trocompatible avec Perl 5. Pour activer les changements et r\u00e9glages incompatibles, une ajout explicite de la pragma \u00ab use v7 \u00bb sera requise. C'est-\u00e0-dire que le code avec la pragma \u00ab use v7 \u00bb peut \u00eatre consid\u00e9r\u00e9 comme \u00ab Perl moderne \u00bb, dans lequel des changements incompatibles du langage sont disponibles, tandis que sans \u2014 comme \u00ab Perl conservateur \u00bb, qui restera enti\u00e8rement r\u00e9trocompatible avec les versions pr\u00e9c\u00e9dentes.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57256\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0423\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043e\u0432\u0435\u0442 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Perl \u043e\u0431\u043e\u0431\u0449\u0438\u043b \u043f\u043b\u0430\u043d\u044b \u043f\u043e \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u043c\u0443 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044e \u0432\u0435\u0442\u043a\u0438 Perl 5 \u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u0432\u0435\u0442\u043a\u0438 Perl 7. \u0412 \u0445\u043e\u0434\u0435 \u0434\u0438\u0441\u043a\u0443\u0441\u0441\u0438\u0439 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043e\u0432\u0435\u0442 \u0441\u043e\u0433\u043b\u0430\u0441\u0438\u043b\u0441\u044f, \u0447\u0442\u043e \u043d\u0435\u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u043d\u0430\u0440\u0443\u0448\u0430\u0442\u044c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u0443\u0436\u0435 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u043c \u0434\u043b\u044f Perl 5 \u043a\u043e\u0434\u043e\u043c, \u0437\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435\u0432, \u043a\u043e\u0433\u0434\u0430 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0435 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0434\u043b\u044f \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0421\u043e\u0432\u0435\u0442 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u0448\u0451\u043b \u043a \u0432\u044b\u0432\u043e\u0434\u0443, \u0447\u0442\u043e \u044f\u0437\u044b\u043a \u0434\u043e\u043b\u0436\u0435\u043d \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0438 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 [&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-104162","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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