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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Racket中文网站</title>
<meta name="description" content="Racket中文网站">
<meta name="author" content="The Unknown Author">
<meta name="keywords" content="Author: Syntacticlosure, Racket, Continuation, Macro, all, DrRacket, Author: qww6, Plugin">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" href="/favicon.png">
<link rel="canonical" href="http://www.racket-zh.org/index.html">
<!-- CSS -->
<link rel="stylesheet" type="text/css" href="/css/main.css">
<link rel="stylesheet" type="text/css" href="/css/blog-fonts.css">
<!-- Feeds -->
<link rel="alternate" type="application/atom+xml" href="/feeds\all.atom.xml" title="Atom Feed">
<link rel="alternate" type="application/rss+xml" href="/feeds\all.rss.xml" title="RSS Feed">
<!-- JS -->
</head>
<body>
<row class="one-column" id="logo"><col-1><a href="http://www.racket-zh.org"><div id="logo-container"><img id="logo" src="/img/racket-logo.svg"/> Racket</div></a></col-1><col-2><p><a href="/index.html">blog</a>
<a href="/faq.html">FAQ</a>
<a href="/About.html">About</a>
</p></col-2></row>
<article class="index" id="home">
<row>
<col-1>
<p class='date-and-tags'>09 Jul 2018</p></col-1>
<col-2>
<h1><a href='/2018\07\file-manager-for-drracket.html'>File Manager for DrRacket</a></h1>
<p>作者:<span class="authors"><a href="/tags\Author-Syntacticlosure.html">Syntacticlosure</a></span></p>
<p>标签:<span class="tags"><a href="/tags\DrRacket.html">DrRacket</a>, <a href="/tags\Plugin.html">Plugin</a></span></p>
<div class="truncate">
<p>在DrRacket上面写代码是一件痛苦的事情，因为没有文件管理器，所以当有很多文件需要编辑的时候需要 一个一个打开，而且容易打开许多窗口，切换起来也及其麻烦。</p>
<p>为了解决这个问题，我写了一个插件。</p></div>
<a class="more" href='/2018\07\file-manager-for-drracket.html'>more →</a>
<col-2>
</row>
</article>
<article class="index" id="home">
<row>
<col-1>
<p class='date-and-tags'>18 Jun 2018</p></col-1>
<col-2>
<h1><a href='/2018\06\racket-7-0-0-2-is-out.html'>racket 7.0.0.2 is out</a></h1>
<p>作者:<span class="authors"><a href="/tags\Author-Syntacticlosure.html">Syntacticlosure</a></span></p>
<p>标签:<span class="tags"><a href="/tags\Racket.html">Racket</a></span></p>
<div class="truncate">
<p>Racket 7.0.0.2版本最令人激动的功能是<code>local-expand</code>的增强，多了一个<code>#:extend-stop-ids?</code>选项，这意味着alexis在<a href="https://lexi-lambda.github.io/blog/2018/04/15/reimplementing-hackett-s-type-language-expanding-to-custom-core-forms-in-racket/">这篇文章</a> 中所想要解决的问题不复存在，我们可以通过一段代码来观察变化：</p></div>
<a class="more" href='/2018\06\racket-7-0-0-2-is-out.html'>more →</a>
<col-2>
</row>
</article>
<article class="index" id="home">
<row>
<col-1>
<p class='date-and-tags'>17 Jun 2018</p></col-1>
<col-2>
<h1><a href='/2018\06\contmarks.html'>Continuation Marks的简单实现</a></h1>
<p>作者:<span class="authors"><a href="/tags\Author-qww6.html">qww6</a></span></p>
<p>标签:<span class="tags"><a href="/tags\Racket.html">Racket</a>, <a href="/tags\Continuation.html">Continuation</a></span></p>
<div class="truncate">
<h2 id="背景">背景</h2>
<p>Continuation Marks——Racket的核心特性之一，虽然直接使用它的人也许很少，但是与其衍生物打交道却是很常见的事情。Continuation Marks是一种通用的在调用链上记录信息的方法，其用途非常广泛，Racket中很多想得到的、想不到的功能，都是使用Continuation Marks实现的，这里不作赘述，有兴趣的朋友可以参阅Racket源码。</p></div>
<a class="more" href='/2018\06\contmarks.html'>more →</a>
<col-2>
</row>
</article>
<article class="index" id="home">
<row>
<col-1>
<p class='date-and-tags'>14 Jun 2018</p></col-1>
<col-2>
<h1><a href='/2018\06\bindings-as-sets-of-scopes.html'>Bindings as Sets of Scopes</a></h1>
<p>作者:<span class="authors"><a href="/tags\Author-Syntacticlosure.html">Syntacticlosure</a></span></p>
<p>标签:<span class="tags"><a href="/tags\Macro.html">Macro</a>, <a href="/tags\Racket.html">Racket</a></span></p>
<div class="truncate">
<h1 id="introduction">Introduction</h1>
<p>Racket的宏系统的实现被称为Bindings as Sets of Scopes，每个identifier拥有一个代表当前作用域的集合。
<br />举例说明:</p></div>
<a class="more" href='/2018\06\bindings-as-sets-of-scopes.html'>more →</a>
<col-2>
</row>
</article>
</body>
</html>