https://before80.github.io/prgms/Rust/note/Recent content in 笔记 on 编程那些事儿Hugozh-cnThu, 30 Jul 2026 11:24:21 +0800https://before80.github.io/prgms/Rust/note/programDesign/Tue, 21 Jul 2026 11:27:22 +0800https://before80.github.io/prgms/Rust/note/programDesign/<h2 id="rustup命令">rustup命令</h2> <h3 id="rustup-update">rustup update</h3> <h2 id="cargo-命令">cargo 命令</h2> <h2 id="编译后不输出warning信息">编译后不输出<code>warning</code>信息</h2> <p><strong>方案 1</strong>：临时全局屏蔽所有警告（一次性运行，最常用）</p> <p>​ 通过环境变量 <code>RUSTFLAGS</code> 给 <code>rustc</code> 统一传参，<strong>所有代码（自身 + 依赖）都生效</strong></p> <div class="highlight"><div style="color:#b0c4de;background-color:#282c34;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#b0c4de;background-color:#282c34;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">1 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">2 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">3 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">4 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">5 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">6 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">7 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#58626f">8 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#b0c4de;background-color:#282c34;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span><span style="color:#8a93a5;font-style:italic"># Linux / macOS</span> </span></span><span style="display:flex;"><span><span style="color:#dcaeea">RUSTFLAGS</span><span style="color:#54b1c7">=</span><span style="color:#63c381">&#34;-A warnings&#34;</span> cargo run </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#8a93a5;font-style:italic"># Windows powerShell</span> </span></span><span style="display:flex;"><span><span style="color:#dcaeea">$env</span>:RUSTFLAGS<span style="color:#54b1c7">=</span><span style="color:#63c381">&#34;-A warnings&#34;</span><span style="color:#abb2bf">;</span> cargo run </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#8a93a5;font-style:italic"># Windows CMD</span> </span></span><span style="display:flex;"><span><span style="color:#e5c07b">set</span> <span style="color:#dcaeea">RUSTFLAGS</span><span style="color:#54b1c7">=</span>-A warnings <span style="color:#54b1c7">&amp;&amp;</span> cargo run </span></span></code></pre></td></tr></table> </div> </div><p><strong>方案 2</strong>：只屏蔽当前项目代码警告（不影响依赖）</p>