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ç¾å¨éç¨ä¸ã®ããã¸ã§ã¯ãã®Nodeã®ãã¼ã¸ã§ã³ã7ãã8ã«ãããã®ã§Promiseã§æ¸ãã¦ããç®æãå¾ã ã«async/awaitã«ç½®ãæãã¦ãã¾ãã ç°¡åã«æ¸ããä¸æ¹ã§Promsieã«æ £ãããã¦ãããããããã並åå¦çã«ãªããã ã£ããã¨ãããã¦ããããåãï¼ãè¦ãããªã¬ãã«ã§æã«ãªãã¾ãªãã£ãã®ã§è²ã ãããã¦é¦´æããã¨æãã¾ãã å©ç¨ããã¿ã¤ãã¼é¢æ° function timer(ms, name) { console.log(`name: ${name} start!`) return new Promise((resolve, reject) => { setTimeout(() => resolve(name), ms) }) } Case.1 awaitãæ¸ãã¦éåæå¦çã®é¢æ°ã並ã¹ã¦æ¸ã (async () => { const result1 = await timer(100
Too Long; Didn't Read Async/await is just syntax sugar built on top of promises. NodeJS supports it out of the box since version 7.6.6. It has been the single greatest addition to JS since 2017. Here are a bunch of reasons with examples why you should adopt it immediately and never look back. It makes asynchronous code look and behave a little more like synchronous code. The advantages add up quic
Perlã¢ã¸ã¥ã¼ã«Async::Queueããªãªã¼ã¹ããã http://search.cpan.org/perldoc?Async%3A%3AQueue ãã®ã¢ã¸ã¥ã¼ã«ã¯ããããããç»é²ããéåæå¦çãç«ã¦ç¶ãã«å®è¡ããéã«ãå®è¡ä¸¦å度ã«å¶éãããã¦FIFOå®è¡ãã¦ããããã¨ãããã®ã ã¶ã£ã¡ããã話ãasync.jsã®queueãªãã¸ã§ã¯ãã¨åãã(åãAPIãåã£ã¦ãã) 以ä¸ã使ç¨ä¾ã use strict; use warnings; use AnyEvent; use AnyEvent::HTTP; use Async::Queue; my $q = Async::Queue->new(concurrency => 3, worker => sub { my ($url, $callback) = @_; print STDERR "Start $url\n"; http_ge
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