v2 / cmd / tools / vdoc / testdata / output_formats / main.html
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1<section id="readme_main" class="doc-node">


2            <div class="title"><h1> main <a href="#readme_main">#</a></h1></div>


3<h2 id="description">Description</h2>


4<p>This is an example of a an .md file, used for adding more rich text documentation in a project or module.</p>


5<p>This is a <a href="https://vlang.io/">link</a> to the main V site.</p>


6<p>This is a <b>bold text</b>.</p>


7<p>This is a script <code><script>console.log('hi from README.md');</script></code> .</p>


8<h2 id="examples">Examples</h2>


9<h3 id="functions-that-return-different-literals">Functions that return different literals:</h3>


10<p>Example of a function returning boolean:</p>


11<pre><code class="language-v"><span class="token keyword">fn</span> <span class="token function">is_odd</span><span class="token punctuation">(</span>x <span class="token builtin">int</span><span class="token punctuation">)</span> <span class="token builtin">bool</span> <span class="token punctuation">{</span>


12    <span class="token keyword">if</span> x <span class="token operator">%</span> <span class="token number">2</span> <span class="token operator">==</span> <span class="token number">0</span> <span class="token punctuation">{</span>


13        <span class="token keyword">return</span> <span class="token boolean">false</span>


14    <span class="token punctuation">}</span>


15    <span class="token keyword">return</span> <span class="token boolean">true</span>


16<span class="token punctuation">}</span></code></pre>


17<p>Another example of a function returning a string:</p>


18<pre><code class="language-v"><span class="token keyword">fn</span> <span class="token function">answer</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token builtin">string</span> <span class="token punctuation">{</span>


19    <span class="token keyword">return</span> <span class="token string">'42'</span>


20<span class="token punctuation">}</span></code></pre>


21<p>This example shows a function returning a string with interpolation:</p>


22<pre><code class="language-v"><span class="token keyword">fn</span> <span class="token function">str_with_interplation</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token builtin">string</span> <span class="token punctuation">{</span>


23    <span class="token keyword">return</span><span class="token string"> 'this string has </span><span class="token string_interp">$</span>{<span class="token number">42</span><span class="token punctuation">:</span><span class="token number">6</span>}<span class="token string"> interpolation in it.'</span>


24<span class="token punctuation">}</span></code></pre>


25<h3 id="processing-command-line-args">Processing command line args</h3>


26<pre><code class="language-v"><span class="token keyword">import</span> os


27


28<span class="token keyword">fn</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>


29    <span class="token keyword">dump</span><span class="token punctuation">(</span>os<span class="token punctuation">.</span>args<span class="token punctuation">)</span>


30    <span class="token keyword">dump</span><span class="token punctuation">(</span>os<span class="token punctuation">.</span>args<span class="token punctuation">.</span>len<span class="token punctuation">)</span>


31    <span class="token keyword">assert</span> os<span class="token punctuation">.</span>args<span class="token punctuation">.</span>len <span class="token operator">></span> <span class="token number">0</span>


32


33    <span class="token comment">// Test escape characters like for `&` and `<`</span>


34    <span class="token keyword">mut</span> arr <span class="token operator">:=</span> <span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">]</span>


35    <span class="token keyword">mut</span> ref <span class="token operator">:=</span> <span class="token operator">&</span>arr


36    arr <span class="token operator"><<</span> <span class="token number">4</span>


37


38    ch <span class="token operator">:=</span> <span class="token builtin">chan</span> <span class="token builtin">bool</span><span class="token punctuation">{</span>cap<span class="token punctuation">:</span> <span class="token number">1</span><span class="token punctuation">}</span>


39    ch <span class="token operator"><-</span> <span class="token boolean">true</span>


40<span class="token punctuation">}</span></code></pre>


41<h3 id="a-jwt-example-test-syntax-highlighting">A JWT example (test syntax highlighting)</h3>


42<pre><code class="language-v"><span class="token keyword">import</span> crypto<span class="token punctuation">.</span>hmac


43<span class="token keyword">import</span> crypto<span class="token punctuation">.</span>sha256


44<span class="token keyword">import</span> encoding<span class="token punctuation">.</span>base64


45<span class="token keyword">import</span> json


46<span class="token keyword">import</span> time


47


48<span class="token keyword">struct</span> <span class="token symbol">JwtHeader</span> <span class="token punctuation">{</span>


49    alg <span class="token builtin">string</span>


50    typ <span class="token builtin">string</span>


51<span class="token punctuation">}</span>


52


53<span class="token keyword">struct</span> <span class="token symbol">JwtPayload</span> <span class="token punctuation">{</span>


54    sub  <span class="token builtin">string</span>


55    name <span class="token builtin">string</span>


56    iat  <span class="token builtin">int</span>


57<span class="token punctuation">}</span>


58


59<span class="token keyword">fn</span> <span class="token function">main</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>


60    sw <span class="token operator">:=</span> time<span class="token punctuation">.</span><span class="token function">new_stopwatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span>


61    secret <span class="token operator">:=</span> <span class="token string">'your-256-bit-secret'</span>


62    token <span class="token operator">:=</span> <span class="token function">make_token</span><span class="token punctuation">(</span>secret<span class="token punctuation">)</span>


63    ok <span class="token operator">:=</span> <span class="token function">auth_verify</span><span class="token punctuation">(</span>secret<span class="token punctuation">,</span> token<span class="token punctuation">)</span>


64    dt <span class="token operator">:=</span> sw<span class="token punctuation">.</span><span class="token function">elapsed</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">microseconds</span><span class="token punctuation">(</span><span class="token punctuation">)</span>


65    <span class="token function">println</span><span class="token punctuation">(</span><span class="token string">'token: </span><span class="token string_interp">$</span>{token}<span class="token string">'</span><span class="token punctuation">)</span>


66    <span class="token function">println</span><span class="token punctuation">(</span><span class="token string">'auth_verify(secret, token): </span><span class="token string_interp">$</span>{ok}<span class="token string">'</span><span class="token punctuation">)</span>


67    <span class="token function">println</span><span class="token punctuation">(</span><span class="token string">'Elapsed time: </span><span class="token string_interp">$</span>{dt}<span class="token string"> uS'</span><span class="token punctuation">)</span>


68<span class="token punctuation">}</span>


69


70<span class="token keyword">fn</span> <span class="token function">make_token</span><span class="token punctuation">(</span>secret <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token builtin">string</span> <span class="token punctuation">{</span>


71    header <span class="token operator">:=</span> base64<span class="token punctuation">.</span><span class="token function">url_encode</span><span class="token punctuation">(</span>json<span class="token punctuation">.</span><span class="token function">encode</span><span class="token punctuation">(</span><span class="token symbol">JwtHeader</span><span class="token punctuation">{</span><span class="token string">'HS256'</span><span class="token punctuation">,</span> <span class="token string">'JWT'</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>


72    payload <span class="token operator">:=</span> base64<span class="token punctuation">.</span><span class="token function">url_encode</span><span class="token punctuation">(</span>json<span class="token punctuation">.</span><span class="token function">encode</span><span class="token punctuation">(</span><span class="token symbol">JwtPayload</span><span class="token punctuation">{</span><span class="token string">'1234567890'</span><span class="token punctuation">,</span> <span class="token string">'John Doe'</span><span class="token punctuation">,</span> <span class="token number">1516239022</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>


73    signature <span class="token operator">:=</span> base64<span class="token punctuation">.</span><span class="token function">url_encode</span><span class="token punctuation">(</span>hmac<span class="token punctuation">.</span><span class="token function">new</span><span class="token punctuation">(</span>secret<span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">'</span><span class="token string_interp">$</span>{header}<span class="token string">.</span><span class="token string_interp">$</span>{payload}<span class="token string">'</span><span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span>


74        sha256<span class="token punctuation">.</span>sum<span class="token punctuation">,</span> sha256<span class="token punctuation">.</span>block_size<span class="token punctuation">)</span><span class="token punctuation">)</span>


75    jwt <span class="token operator">:=</span><span class="token string">'</span><span class="token string_interp">$</span>{header}<span class="token string">.</span><span class="token string_interp">$</span>{payload}<span class="token string">.</span><span class="token string_interp">$</span>{signature}<span class="token string">'</span>


76    <span class="token keyword">return</span> jwt


77<span class="token punctuation">}</span>


78


79<span class="token keyword">fn</span> <span class="token function">auth_verify</span><span class="token punctuation">(</span>secret <span class="token builtin">string</span><span class="token punctuation">,</span> token <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token builtin">bool</span> <span class="token punctuation">{</span>


80    token_split <span class="token operator">:=</span> token<span class="token punctuation">.</span><span class="token function">split</span><span class="token punctuation">(</span><span class="token string">'.'</span><span class="token punctuation">)</span>


81    signature_mirror <span class="token operator">:=</span> hmac<span class="token punctuation">.</span><span class="token function">new</span><span class="token punctuation">(</span>secret<span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">'</span><span class="token string_interp">$</span>{token_split<span class="token punctuation">[</span><span class="token number">0</span><span class="token punctuation">]</span>}<span class="token string">.</span><span class="token string_interp">$</span>{token_split<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span>}<span class="token string">'</span><span class="token punctuation">.</span><span class="token function">bytes</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span>


82        sha256<span class="token punctuation">.</span>sum<span class="token punctuation">,</span> sha256<span class="token punctuation">.</span>block_size<span class="token punctuation">)</span>


83    signature_from_token <span class="token operator">:=</span> base64<span class="token punctuation">.</span><span class="token function">url_decode</span><span class="token punctuation">(</span>token_split<span class="token punctuation">[</span><span class="token number">2</span><span class="token punctuation">]</span><span class="token punctuation">)</span>


84    <span class="token keyword">return</span> hmac<span class="token punctuation">.</span><span class="token function">equal</span><span class="token punctuation">(</span>signature_from_token<span class="token punctuation">,</span> signature_mirror<span class="token punctuation">)</span>


85<span class="token punctuation">}</span></code></pre>


86<h3 id="other-language-specifiers">Other language specifiers</h3>


87<pre><code class="language-cpp">##


88std<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token builtin">map</span><span class="token operator"><</span>std<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token builtin">string</span><span class="token punctuation">,</span> <span class="token builtin">int</span><span class="token operator">></span> <span class="token symbol">my_map</span> <span class="token punctuation">{</span>


89    <span class="token punctuation">{</span><span class="token string">'KEY_1'</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">}</span><span class="token punctuation">,</span>


90    <span class="token punctuation">{</span><span class="token string">'KEY_2'</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">}</span><span class="token punctuation">,</span>


91<span class="token punctuation">}</span><span class="token punctuation">;</span>


92


93<span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">const</span> auto <span class="token operator">&</span><span class="token punctuation">[</span>key<span class="token punctuation">,</span> value<span class="token punctuation">]</span> <span class="token punctuation">:</span> my_map<span class="token punctuation">)</span> <span class="token punctuation">{</span>


94    std<span class="token punctuation">:</span><span class="token punctuation">:</span>cout <span class="token operator"><<</span> key <span class="token operator"><<</span> <span class="token string">': '</span> <span class="token operator"><<</span> value <span class="token operator"><<</span> <span class="token string">', '</span><span class="token punctuation">;</span>


95<span class="token punctuation">}</span>


96std<span class="token punctuation">:</span><span class="token punctuation">:</span>cout <span class="token operator"><<</span> <span class="token string">'\n'</span><span class="token punctuation">;</span></code></pre>


97<pre><code class="language-v">doc1 <span class="token operator">:=</span> toml<span class="token punctuation">.</span><span class="token function">parse_text</span><span class="token punctuation">(</span><span class="token operator"><</span><span class="token builtin">string</span> content<span class="token operator">></span><span class="token punctuation">)</span> <span class="token keyword">or</span> <span class="token punctuation">{</span> <span class="token function">panic</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span> <span class="token punctuation">}</span>


98doc2 <span class="token operator">:=</span> toml<span class="token punctuation">.</span><span class="token function">parse_file</span><span class="token punctuation">(</span><span class="token operator"><</span>file path<span class="token operator">></span><span class="token punctuation">)</span> <span class="token keyword">or</span> <span class="token punctuation">{</span> <span class="token function">panic</span><span class="token punctuation">(</span>err<span class="token punctuation">)</span> <span class="token punctuation">}</span></code></pre>


99<h3 id="escape-html-in-strings">Escape html in strings</h3>


100<pre><code class="language-v"><span class="token keyword">const</span> html <span class="token operator">=</span> <span class="token string">'<!DOCTYPE html>


101<html lang="en">


102  <head>


103    <style>


104      body {


105        background: linear-gradient(to right, #274060, #1B2845);


106        color: GhostWhite;


107        font-family: sans-serif;


108        text-align: center;


109      }


110    </style>


111  </head>


112  <body>


113    <h1>Your App Content!</h1>


114    <button onclick="callV()">Call V!</button>


115  </body>


116  <script>


117    async function callV() {


118      // Call a V function that takes an argument and returns a value.


119      const res = await window.my_v_func(\'Hello from JS!\');


120      console.log(res);


121    }


122  </script>


123</html>'</span></code></pre>


124<ul>


125<li>Regular markdown list point 1</li>


126<li>List point 2</li>


127<li>List point 3</li></ul>


128<ol>


129<li>Numbered markdown list point 1</li>


130<li>List point 2</li>


131<li>List point 3</li></ol>


132<p>A code block without a specific language should be rendered verbatim:</p>


133<pre><code>.


134├── static/


135│   ├── css/


136│   │   └── main.css


137│   └── js/


138│       └── main.js


139└── main.v


140</code></pre>


141<p>The s tags here in the code block, should be rendered verbatim, not interpreted as HTML ones:</p>


142<pre><code>h:m:s      // 5:02:33


143m:s.mi<s>  // 2:33.015


144s.mi<s>    // 33.015s


145mi.mc<ms>  // 15.007ms


146mc.ns<ns>  // 7.234us


147ns<ns>     // 234ns


148</code></pre>


149<p>The End.</p>


150


151</section>


152


153        <section id="Constants" class="doc-node const">


154            <div class="title"><h2>Constants <a href="#Constants">#</a></h2></div>


155


156


157</section>


158


159        <section id="" class="doc-node const">


160<pre class="signature">


161<code><span class="token keyword">const</span> omega <span class="token operator">=</span> <span class="token number">3</span> <span class="token comment">// should be first</span></code></pre>


162


163


164</section>


165


166        <section id="" class="doc-node const">


167<pre class="signature">


168<code><span class="token keyword">const</span> alpha <span class="token operator">=</span> <span class="token number">5</span> <span class="token comment">// should be in the middle</span></code></pre>


169


170


171</section>


172


173        <section id="" class="doc-node const">


174<pre class="signature">


175<code><span class="token keyword">const</span> beta <span class="token operator">=</span> <span class="token number">2</span> <span class="token comment">// should be at the end</span></code></pre>


176


177


178</section>


179


180        <section id="abc" class="doc-node">


181            <div class="title"><h2>fn abc <a href="#abc">#</a></h2></div>


182<pre class="signature">


183<code><span class="token keyword">fn</span> <span class="token function">abc</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></pre>


184<p>abc - should be last</p>


185


186</section>


187


188        <section id="def" class="doc-node">


189            <div class="title"><h2>fn def <a href="#def">#</a></h2></div>


190<pre class="signature">


191<code><span class="token keyword">fn</span> <span class="token function">def</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></pre>


192<p>def - should be first</p>


193


194</section>


195


196        <section id="xyz" class="doc-node">


197            <div class="title"><h2>fn xyz <a href="#xyz">#</a></h2></div>


198<pre class="signature">


199<code><span class="token keyword">fn</span> <span class="token function">xyz</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></pre>


200<p>xyz - should be in the middle a small script <script>console.log('hello');</script> bold text <b>bold</b> end underlined text <u>underline</u> end a link <a href="https://github.com/vlang/v">main v repo</a></p>


201


202</section>


203


204        <section id="MyXMLDocument.abc" class="doc-node">


205            <div class="title"><h2>fn MyXMLDocument.abc <a href="#MyXMLDocument.abc">#</a></h2></div>


206<pre class="signature">


207<code><span class="token keyword">fn</span> MyXMLDocument<span class="token punctuation">.</span><span class="token function">abc</span><span class="token punctuation">(</span>text <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">?</span><span class="token punctuation">(</span><span class="token builtin">string</span><span class="token punctuation">,</span> <span class="token builtin">int</span><span class="token punctuation">)</span></code></pre>


208<p>MyXMLDocument.abc does something too... I just do not know what.</p>


209


210</section>


211


212        <section id="MyXMLDocument.from_file" class="doc-node">


213            <div class="title"><h2>fn MyXMLDocument.from_file <a href="#MyXMLDocument.from_file">#</a></h2></div>


214<pre class="signature">


215<code><span class="token keyword">fn</span> MyXMLDocument<span class="token punctuation">.</span><span class="token function">from_file</span><span class="token punctuation">(</span>path <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">!</span>MyXMLDocument</code></pre>


216<p>MyXMLDocument.from_text processes the file path, and returns an error</p>


217


218</section>


219


220        <section id="MyXMLDocument.from_text" class="doc-node">


221            <div class="title"><h2>fn MyXMLDocument.from_text <a href="#MyXMLDocument.from_text">#</a></h2></div>


222<pre class="signature">


223<code><span class="token keyword">fn</span> MyXMLDocument<span class="token punctuation">.</span><span class="token function">from_text</span><span class="token punctuation">(</span>text <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">?</span>MyXMLDocument</code></pre>


224<p>MyXMLDocument.from_text processes text and produces none</p>


225


226</section>


227


228        <section id="MyXMLDocument" class="doc-node">


229            <div class="title"><h2>struct MyXMLDocument <a href="#MyXMLDocument">#</a></h2></div>


230<pre class="signature">


231<code><span class="token keyword">struct</span> <span class="token symbol">MyXMLDocument</span> <span class="token punctuation">{</span>


232    path <span class="token builtin">string</span>


233<span class="token punctuation">}</span></code></pre>


234<p>MyXMLDocument is here just to test the different combinations of methods/output types</p>


235


236</section>


237


238        <section id="MyXMLDocument.instance_from_file" class="doc-node">


239            <div class="title"><h2>fn (MyXMLDocument) instance_from_file <a href="#MyXMLDocument.instance_from_file">#</a></h2></div>


240<pre class="signature">


241<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_from_file</span><span class="token punctuation">(</span>path <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">!</span>MyXMLDocument</code></pre>


242<p>instance_from_file does stuff with path</p>


243


244</section>


245


246        <section id="MyXMLDocument.instance_from_text" class="doc-node">


247            <div class="title"><h2>fn (MyXMLDocument) instance_from_text <a href="#MyXMLDocument.instance_from_text">#</a></h2></div>


248<pre class="signature">


249<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_from_text</span><span class="token punctuation">(</span>text <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">?</span>MyXMLDocument</code></pre>


250<p>instance_from_text does stuff with text</p>


251


252</section>


253


254        <section id="MyXMLDocument.instance_abc" class="doc-node">


255            <div class="title"><h2>fn (MyXMLDocument) instance_abc <a href="#MyXMLDocument.instance_abc">#</a></h2></div>


256<pre class="signature">


257<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_abc</span><span class="token punctuation">(</span>text <span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token operator">?</span><span class="token punctuation">(</span><span class="token builtin">string</span><span class="token punctuation">,</span> <span class="token builtin">int</span><span class="token punctuation">)</span></code></pre>


258<p>instance_abc does stuff too</p>


259


260</section>


261


262        <section id="MyXMLDocument.instance_void" class="doc-node">


263            <div class="title"><h2>fn (MyXMLDocument) instance_void <a href="#MyXMLDocument.instance_void">#</a></h2></div>


264<pre class="signature">


265<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_void</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></pre>


266<p>instance_void does stuff too</p>


267


268</section>


269


270        <section id="MyXMLDocument.instance_int" class="doc-node">


271            <div class="title"><h2>fn (MyXMLDocument) instance_int <a href="#MyXMLDocument.instance_int">#</a></h2></div>


272<pre class="signature">


273<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_int</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token builtin">int</span></code></pre>


274<p>instance_int does stuff too</p>


275


276</section>


277


278        <section id="MyXMLDocument.instance_result" class="doc-node">


279            <div class="title"><h2>fn (MyXMLDocument) instance_result <a href="#MyXMLDocument.instance_result">#</a></h2></div>


280<pre class="signature">


281<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_result</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">!</span></code></pre>


282<p>instance_error does stuff too</p>


283


284</section>


285


286        <section id="MyXMLDocument.instance_option" class="doc-node">


287            <div class="title"><h2>fn (MyXMLDocument) instance_option <a href="#MyXMLDocument.instance_option">#</a></h2></div>


288<pre class="signature">


289<code><span class="token keyword">fn</span> <span class="token punctuation">(</span>x <span class="token operator">&</span>MyXMLDocument<span class="token punctuation">)</span> <span class="token function">instance_option</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">?</span></code></pre>


290<p>instance_option does stuff too</p>


291


292</section>


293