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@@ -184,6 +184,11 @@
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+ <meta name="subtitle" content="暮秋小屋">
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+<title>OCaml News Intro | 暮秋小屋</title>
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+
+<style>
+ @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&family=Roboto+Mono&display=swap');
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+ <a href="/tags/OCaml/">
+ OCaml
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+ <a href="/tags/Technique/">
+ Technique
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+ <div class="post-title">
+
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+ OCaml News Intro
+
+
+ </div>
+ <span class="post-date">
+ Apr 29, 2023
+ </span>
+ </div>
+ <div class="post-img">
+
+ <div class="h-line-primary"></div>
+
+ </div>
+</div>
+ <div class="post-content">
+ <p>这里是OCaml News，一个整合了OCaml社区以及周边生态最新信息的地方，先前一直在OCaml群内发送零散的信息，太细碎了，于是在此归纳整理，不过这一系列的更新频率是不规律的，并不遵循Weekly之类的频率，而是帖满即发。</p>
+<p>总体上每一次更新分为三大类：</p>
+<ol>
+<li>论坛，即 <a target="_blank" rel="noopener" href="https://discuss.ocaml.org/">discuss.ocaml.org</a> 上有趣的新帖子</li>
+<li>生态，即OCaml本身或周边生态中中出现的新工具，库</li>
+<li>文章，即OCaml相关的最新论文，博客文章</li>
+</ol>
+<p>所以：</p>
+<hr>
+<h1 id="？？？-二零二三年四月二十九日"><a href="#？？？-二零二三年四月二十九日" class="headerlink" title="？？？ - 二零二三年四月二十九日"></a>？？？ - 二零二三年四月二十九日</h1><h2 id="论坛"><a href="#论坛" class="headerlink" title="论坛"></a>论坛</h2><h3 id="呼吁新的-opam-存储库维护者"><a href="#呼吁新的-opam-存储库维护者" class="headerlink" title="呼吁新的 opam 存储库维护者"></a>呼吁新的 opam 存储库维护者</h3><p><a target="_blank" rel="noopener" href="https://opam.ocaml.org/">OPAM</a>是OCaml的官方包管理器，它通过<a target="_blank" rel="noopener" href="https://github.com/ocaml/opam-repository">opam-repository</a>存储OCaml包，opam-repository由少数人力共同维护，以确保包的时效性、和高质量。OPAM的维护团队正在寻找新的贡献者来帮助他们维护opam-repository。</p>
+<p>帮助维护opam-repository并不是OCaml或OPAM方面的专家才能参与。新加入的维护者将从审查和批准对repo的更改开始，经过几周的工作后，你可以决定留下来继续做这份工作，届时将被授予完全访问权限。</p>
+<p>论坛原帖：<a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/call-for-new-opam-repository-maintainers/12041">https://discuss.ocaml.org/t/call-for-new-opam-repository-maintainers/12041</a></p>
+<h3 id="Local-Type-Definition"><a href="#Local-Type-Definition" class="headerlink" title="Local Type Definition"></a>Local Type Definition</h3><p>OCaml目前并不支持类似如下的Local Type Definition:</p>
+<figure class="highlight ocaml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">let</span> f : <span class="built_in">unit</span> -&gt; <span class="built_in">unit</span> = </span><br><span class="line"> <span class="keyword">fun</span> <span class="literal">()</span> -&gt;</span><br><span class="line"> <span class="keyword">let</span> <span class="keyword">type</span> t = <span class="type">A</span> | <span class="type">B</span> <span class="keyword">in</span></span><br><span class="line"> ...</span><br></pre></td></tr></table></figure>
+
+<p>但可以通过let open一个只有t的module来实现:</p>
+<figure class="highlight ocaml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">let</span> f : <span class="built_in">unit</span> -&gt; <span class="built_in">unit</span> = </span><br><span class="line"> <span class="keyword">fun</span> <span class="literal">()</span> -&gt;</span><br><span class="line"> <span class="keyword">let</span> <span class="keyword">open</span> <span class="keyword">struct</span> <span class="keyword">type</span> t = <span class="type">A</span> | <span class="type">B</span> <span class="keyword">end</span> <span class="keyword">in</span></span><br><span class="line"> ...</span><br></pre></td></tr></table></figure>
+
+<p>其实前者可以当作后者的糖，但目前还没实现，这是相关PR: <a target="_blank" rel="noopener" href="https://github.com/ocaml/ocaml/pull/12151">Add local type definition syntax #12151</a></p>
+<p>论坛原帖：<a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/local-type-definition">https://discuss.ocaml.org/t/local-type-definition</a></p>
+<h2 id="生态"><a href="#生态" class="headerlink" title="生态"></a>生态</h2><h3 id="使用LablGtk3实现的七个GUI示例"><a href="#使用LablGtk3实现的七个GUI示例" class="headerlink" title="使用LablGtk3实现的七个GUI示例"></a>使用LablGtk3实现的七个GUI示例</h3><p>行业中存在各种各样不同语言的GUI工具包和各种各样不同的GUI开发方式。7GUIs代表GUI编程中典型的七项任务。</p>
+<p>项目页面：<a target="_blank" rel="noopener" href="https://7guis.github.io/7guis/">https://7guis.github.io/7guis/</a><br>使用LablGtk3实现的7GUIs Github连接：<a target="_blank" rel="noopener" href="https://github.com/F-loyer/7guis-ocaml-lablgtk3">https://github.com/F-loyer/7guis-ocaml-lablgtk3</a></p>
+<h2 id="文章"><a href="#文章" class="headerlink" title="文章"></a>文章</h2><h3 id="使用Dream编写REST-API"><a href="#使用Dream编写REST-API" class="headerlink" title="使用Dream编写REST API"></a>使用Dream编写REST API</h3><p>这篇文章是使用Dream、Yojson和Caqti的经验之谈，这篇文章的重点不是做出价值判断（X框架好，Y框架不好之类的），而是理解如何将一个工作流程转换为另一个工作流程的概念.</p>
+<p>文章连接：<a target="_blank" rel="noopener" href="https://jsthomas.github.io/ocaml-dream-api.html">https://jsthomas.github.io/ocaml-dream-api.html</a></p>
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generated by cgit v1.2.3 (git 2.39.1) at 2026-10-04 23:13:39 +0000