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+                            OCaml
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+                OCaml News 2023/5/6
+            
+            
+        </div>
+        <span class="post-date">
+            May 6, 2023
+        </span>
+    </div>
+    <div class="post-img">
+        
+            <div class="h-line-primary"></div>
+              
+    </div>
+</div>
+    <div class="post-content">
+    <h1 id="二零二三年四月二十九日-二零二三年五月六日"><a href="#二零二三年四月二十九日-二零二三年五月六日" class="headerlink" title="二零二三年四月二十九日 - 二零二三年五月六日"></a>二零二三年四月二十九日 - 二零二三年五月六日</h1><h2 id="Dune正在探索集成包管理，提供统一的开发体验"><a href="#Dune正在探索集成包管理，提供统一的开发体验" class="headerlink" title="Dune正在探索集成包管理，提供统一的开发体验"></a>Dune正在探索集成包管理，提供统一的开发体验</h2><p>dune, opam, opam-monorepo团队在几个月前联合起来，共同解决这个来自之前社区报告中的重要痛点。</p>
+<p>在dune的github上有对于这项工作的详细解释：<a target="_blank" rel="noopener" href="https://github.com/ocaml/dune/issues/7680">https://github.com/ocaml/dune/issues/7680</a></p>
+<p><a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/explorations-on-package-management-in-dune/12101">https://discuss.ocaml.org/t/explorations-on-package-management-in-dune/12101</a></p>
+<p><a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/explorations-on-package-management-in-dune/12101">论坛原帖：https://discuss.ocaml.org/t/explorations-on-package-management-in-dune/12101</a></p>
+<h2 id="OCaml-x2F-C-FFI对象的生命周期问题"><a href="#OCaml-x2F-C-FFI对象的生命周期问题" class="headerlink" title="OCaml&#x2F;C FFI对象的生命周期问题"></a>OCaml&#x2F;C FFI对象的生命周期问题</h2><p>OCaml manual中有一节名为<a target="_blank" rel="noopener" href="https://v2.ocaml.org/manual/intfc.html#s%3Ac-gc-harmony"><br>5 Living in harmony with the garbage collector</a>，其中介绍了六个规则，帮助编写C FFI。</p>
+<p>对于如下C代码:</p>
+<figure class="highlight c"><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><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">value <span class="title function_">pair</span><span class="params">(value a, value b)</span> &#123;</span><br><span class="line">  CAMLparam2(a, b); <span class="comment">/*required*/</span></span><br><span class="line">  CAMLlocal1(r); <span class="comment">/*required*/</span></span><br><span class="line">  r = caml_alloc(<span class="number">2</span>,<span class="number">0</span>);</span><br><span class="line">  Store_field(r,<span class="number">0</span>,a);</span><br><span class="line">  Store_field(r,<span class="number">1</span>,b);</span><br><span class="line">  CAMLreturn(r); <span class="comment">/*required*/</span></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+<p>这里的<code>CAMLlocal1(r)</code>并不是必须的，如果a和b是立即值，那么其他注释有<code>require</code>的代码。也不是必须的，对于这六个规则应该持保留态度，它们并不是必须严格遵守的，只是为了更安全。</p>
+<p><a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/ocaml-c-ffi-object-lifetimes/12099">论坛原帖：https://discuss.ocaml.org/t/ocaml-c-ffi-object-lifetimes/12099</a></p>
+<h2 id="使用Elm-Style编写函数式Web应用"><a href="#使用Elm-Style编写函数式Web应用" class="headerlink" title="使用Elm Style编写函数式Web应用"></a>使用Elm Style编写函数式Web应用</h2><p>Fmlib 是一个函数式库，其中包含以下组件:</p>
+<ul>
+<li>Fmlib_std: 标准的数据结构（B树等）</li>
+<li>Fmlib_pretty: Pretty Printing</li>
+<li>Fmlib_parse: Parsing</li>
+<li>Fmlib_browser: Web应用程序</li>
+<li>Fmlib_js: 与浏览器&#x2F;Nodejs交互</li>
+</ul>
+<p>github仓库：<a target="_blank" rel="noopener" href="https://github.com/hbr/fmlib">https://github.com/hbr/fmlib</a></p>
+<p>一些简单的示例：<a target="_blank" rel="noopener" href="https://hbr.github.io/fmlib/webapp/index.html">https://hbr.github.io/fmlib/webapp/index.html</a></p>
+<p><a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/ann-functional-web-applications-running-in-the-browser/11984">论坛原帖：https://discuss.ocaml.org/t/ann-functional-web-applications-running-in-the-browser/11984</a></p>
+<h2 id="使用OCaml编写NeoVIM插件"><a href="#使用OCaml编写NeoVIM插件" class="headerlink" title="使用OCaml编写NeoVIM插件"></a>使用OCaml编写NeoVIM插件</h2><p>VCaml是一个用于在 OCaml 中编写 Neovim 插件的库。</p>
+<p>github仓库: <a target="_blank" rel="noopener" href="https://github.com/janestreet/vcaml">https://github.com/janestreet/vcaml</a></p>
+<p>论坛上相关的讨论: <a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/repo-for-nvim-plugins-in-ocaml-neovim-vcaml/12049">https://discuss.ocaml.org/t/repo-for-nvim-plugins-in-ocaml-neovim-vcaml/12049</a></p>
+<h2 id="Format和PPrint在实践中的对比"><a href="#Format和PPrint在实践中的对比" class="headerlink" title="Format和PPrint在实践中的对比"></a>Format和PPrint在实践中的对比</h2><p><a target="_blank" rel="noopener" href="https://discuss.ocaml.org/t/format-vs-pprint-in-practice/12087">论坛原帖： https://discuss.ocaml.org/t/format-vs-pprint-in-practice/12087</a></p>
+<h2 id="BLAS-x2F-LAPACK的OCaml-Binding"><a href="#BLAS-x2F-LAPACK的OCaml-Binding" class="headerlink" title="BLAS&#x2F;LAPACK的OCaml Binding"></a>BLAS&#x2F;LAPACK的OCaml Binding</h2><p>这个 OCaml 库绑定了两个广泛使用的数学 FORTRAN 库：</p>
+<ul>
+<li>BLAS : <a href="www.netlib.org/blas/">www.netlib.org/blas/</a></li>
+<li>LAPAK : <a href="www.netlib.org/lapack/">www.netlib.org/lapack/</a></li>
+</ul>
+<p>Github仓库：<a target="_blank" rel="noopener" href="https://github.com/mmottl/lacaml">https://github.com/mmottl/lacaml</a></p>
+<h2 id="基于Effects的实验性WebServer"><a href="#基于Effects的实验性WebServer" class="headerlink" title="基于Effects的实验性WebServer"></a>基于Effects的实验性WebServer</h2><p>Github仓库: <a target="_blank" rel="noopener" href="https://github.com/avsm/eeww">https://github.com/avsm/eeww</a></p>
+<h2 id="纯（？）函数式SSH库"><a href="#纯（？）函数式SSH库" class="headerlink" title="纯（？）函数式SSH库"></a>纯（？）函数式SSH库</h2><p>awa-ssh是一个使用ISC协议开源的OCaml SSH库<br>Github仓库：<a target="_blank" rel="noopener" href="https://github.com/mirage/awa-ssh">https://github.com/mirage/awa-ssh</a></p>
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