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| <h1 id="building-documentation"><a class="header" href="#building-documentation">Building documentation</a></h1> |
| <p>This chapter describes how to build documentation of toolchain components, |
| like the standard library (std) or the compiler (rustc).</p> |
| <ul> |
| <li> |
| <p>Document everything</p> |
| <p>This uses <code>rustdoc</code> from the beta toolchain, |
| so will produce (slightly) different output to stage 1 rustdoc, |
| as rustdoc is under active development:</p> |
| <pre><code class="language-bash">./x doc |
| </code></pre> |
| <p>If you want to be sure the documentation looks the same as on CI:</p> |
| <pre><code class="language-bash">./x doc --stage 1 |
| </code></pre> |
| <p>This ensures that (current) rustdoc gets built, |
| then that is used to document the components.</p> |
| </li> |
| <li> |
| <p>Much like running individual tests or building specific components, |
| you can build just the documentation you want:</p> |
| <pre><code class="language-bash">./x doc src/doc/book |
| ./x doc src/doc/nomicon |
| ./x doc compiler library |
| </code></pre> |
| <p>See <a href="https://doc.rust-lang.org/nightly/">the nightly docs index page</a> for a full list of books.</p> |
| </li> |
| <li> |
| <p>Document internal rustc items</p> |
| <p>Compiler documentation is not built by default. |
| To create it by default with <code>x doc</code>, modify <code>bootstrap.toml</code>:</p> |
| <pre><code class="language-toml">[build] |
| compiler-docs = true |
| </code></pre> |
| <p>Note that when enabled, |
| documentation for internal compiler items will also be built.</p> |
| <p>NOTE: The documentation for the compiler is found at <a href="https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/">this link</a>.</p> |
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