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Timofey Solomko
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SWCompression 4.9.1 Docs
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(100% documented)
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ExtraField Structure Reference
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<a class="nav-group-task-link" href="../../Protocols/CompressionAlgorithm.html">CompressionAlgorithm</a>
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<a class="nav-group-task-link" href="../../Enums/CompressionMethod.html">CompressionMethod</a>
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<article class="main-content">
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<section class="section">
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<div class="section-content top-matter">
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<h1>ExtraField</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">struct</span> <span class="kt">ExtraField</span></code></pre>
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</div>
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</div>
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<p>Represents an extra field in the header of a GZip archive.</p>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/GZip/GzipHeader+ExtraField.swift#L9-L27">Show on GitHub</a>
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</div>
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</div>
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</section>
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<div class="section-content">
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:13SWCompression10GzipHeaderV10ExtraFieldV3si1s5UInt8Vvp"></a>
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<a name="//apple_ref/swift/Property/si1" class="dashAnchor"></a>
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<a class="token" href="#/s:13SWCompression10GzipHeaderV10ExtraFieldV3si1s5UInt8Vvp">si1</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>First byte of the extra field (subfield) ID.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">si1</span><span class="p">:</span> <span class="kt">UInt8</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/GZip/GzipHeader+ExtraField.swift#L12">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/s:13SWCompression10GzipHeaderV10ExtraFieldV3si2s5UInt8Vvp"></a>
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<a name="//apple_ref/swift/Property/si2" class="dashAnchor"></a>
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<a class="token" href="#/s:13SWCompression10GzipHeaderV10ExtraFieldV3si2s5UInt8Vvp">si2</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Second byte of the extra field (subfield) ID.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">public</span> <span class="k">let</span> <span class="nv">si2</span><span class="p">:</span> <span class="kt">UInt8</span></code></pre>
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||
</div>
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||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/GZip/GzipHeader+ExtraField.swift#L15">Show on GitHub</a>
|
||
</div>
|
||
</section>
|
||
</div>
|
||
</li>
|
||
<li class="item">
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||
<div>
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||
<code>
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||
<a name="/s:13SWCompression10GzipHeaderV10ExtraFieldV5bytesSays5UInt8VGvp"></a>
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<a name="//apple_ref/swift/Property/bytes" class="dashAnchor"></a>
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<a class="token" href="#/s:13SWCompression10GzipHeaderV10ExtraFieldV5bytesSays5UInt8VGvp">bytes</a>
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</code>
|
||
</div>
|
||
<div class="height-container">
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||
<div class="pointer-container"></div>
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||
<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Binary content of the extra field.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
|
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<pre class="highlight swift"><code><span class="kd">public</span> <span class="k">var</span> <span class="nv">bytes</span><span class="p">:</span> <span class="p">[</span><span class="kt">UInt8</span><span class="p">]</span></code></pre>
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||
|
||
</div>
|
||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/GZip/GzipHeader+ExtraField.swift#L18">Show on GitHub</a>
|
||
</div>
|
||
</section>
|
||
</div>
|
||
</li>
|
||
<li class="item">
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||
<div>
|
||
<code>
|
||
<a name="/s:13SWCompression10GzipHeaderV10ExtraFieldVyAEs5UInt8V_AGSayAGGtcfc"></a>
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||
<a name="//apple_ref/swift/Method/init(_:_:_:)" class="dashAnchor"></a>
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||
<a class="token" href="#/s:13SWCompression10GzipHeaderV10ExtraFieldVyAEs5UInt8V_AGSayAGGtcfc">init(_:<wbr>_:<wbr>_:<wbr>)</a>
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||
</code>
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||
</div>
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||
<div class="height-container">
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||
<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Initializes an extra field with the specified extra field (subfield) ID bytes and its binary content.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">public</span> <span class="nf">init</span><span class="p">(</span><span class="n">_</span> <span class="nv">si1</span><span class="p">:</span> <span class="kt">UInt8</span><span class="p">,</span> <span class="n">_</span> <span class="nv">si2</span><span class="p">:</span> <span class="kt">UInt8</span><span class="p">,</span> <span class="n">_</span> <span class="nv">bytes</span><span class="p">:</span> <span class="p">[</span><span class="kt">UInt8</span><span class="p">])</span></code></pre>
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||
</div>
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</div>
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||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/4.9.1/Sources/GZip/GzipHeader+ExtraField.swift#L21-L25">Show on GitHub</a>
|
||
</div>
|
||
</section>
|
||
</div>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
</section>
|
||
|
||
</article>
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<p>© 2026 Timofey Solomko</p>
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<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external noopener">jazzy ♪♫ v0.15.4</a>, a <a class="link" href="https://realm.io" target="_blank" rel="external noopener">Realm</a> project.</p>
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