Kare Morstol
452 lines
22 KiB
HTML
452 lines
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WritableStream Protocol Reference
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<section>
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<section class="section">
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<h1>WritableStream</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">protocol</span> <span class="kt">WritableStream</span> <span class="p">:</span> <span class="kt">AnyObject</span><span class="p">,</span> <span class="kt">TextOutputStream</span></code></pre>
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</div>
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</div>
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<p>An output stream, like standard output or a writeable file.</p>
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</section>
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<div class="task-group">
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<ul>
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<li class="item">
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<div>
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<code>
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<a name="/s:10SwiftShell14WritableStreamP8encodingSS10FoundationE8EncodingVvp"></a>
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<a name="//apple_ref/swift/Property/encoding" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamP8encodingSS10FoundationE8EncodingVvp">encoding</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>Undocumented</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="k">var</span> <span class="nv">encoding</span><span class="p">:</span> <span class="kt">String</span><span class="o">.</span><span class="kt">Encoding</span> <span class="p">{</span> <span class="k">get</span> <span class="k">set</span> <span class="p">}</span></code></pre>
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</div>
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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:10SwiftShell14WritableStreamP10filehandleSo12NSFileHandleCvp"></a>
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<a name="//apple_ref/swift/Property/filehandle" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamP10filehandleSo12NSFileHandleCvp">filehandle</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>Undocumented</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="k">var</span> <span class="nv">filehandle</span><span class="p">:</span> <span class="kt">FileHandle</span> <span class="p">{</span> <span class="k">get</span> <span class="p">}</span></code></pre>
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</div>
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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:10SwiftShell14WritableStreamP5writeyySSF"></a>
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<a name="//apple_ref/swift/Method/write(_:)" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamP5writeyySSF">write(_:)</a>
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</code>
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<span class="declaration-note">
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Default implementation
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</span>
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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>Writes <code>x</code> to the stream.</p>
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</div>
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<h4>Default Implementation</h4>
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<div class="default_impl abstract">
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<p>Undocumented</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">func</span> <span class="nf">write</span><span class="p">(</span><span class="n">_</span> <span class="nv">x</span><span class="p">:</span> <span class="kt">String</span><span class="p">)</span></code></pre>
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</div>
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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:10SwiftShell14WritableStreamP5closeyyF"></a>
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<a name="//apple_ref/swift/Method/close()" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamP5closeyyF">close()</a>
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</code>
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<span class="declaration-note">
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Default implementation
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</span>
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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>Closes the stream. Must be called on non-file streams when finished writing,
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to prevent deadlock when reading.</p>
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</div>
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<h4>Default Implementation</h4>
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<div class="default_impl abstract">
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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">func</span> <span class="nf">close</span><span class="p">()</span></code></pre>
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</div>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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<div class="task-group">
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<ul>
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<li class="item">
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<div>
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<code>
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<a name="/s:10SwiftShell14WritableStreamPAAE5print_9separator10terminatoryypd_S2StF"></a>
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<a name="//apple_ref/swift/Method/print(_:separator:terminator:)" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamPAAE5print_9separator10terminatoryypd_S2StF">print(_:separator:terminator:)</a>
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</code>
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<span class="declaration-note">
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Extension method
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</span>
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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>Writes the textual representations of the given items into the stream.
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Works exactly the same way as <code>print</code> from Swift’s standard library.</p>
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<p>To avoid printing a newline at the end, pass <code>terminator: ""</code> or use <code>write</code> ìnstead.</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">@warn_unqualified_access</span>
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<span class="kd">public</span> <span class="kd">func</span> <span class="nf">print</span><span class="p">(</span><span class="n">_</span> <span class="nv">items</span><span class="p">:</span> <span class="kt">Any</span><span class="o">...</span><span class="p">,</span> <span class="nv">separator</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="s">" "</span><span class="p">,</span> <span class="nv">terminator</span><span class="p">:</span> <span class="kt">String</span> <span class="o">=</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">)</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>items</em>
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</code>
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</td>
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<td>
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<div>
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<p>Zero or more items to print, converted to text with String(describing:).</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>separator</em>
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</code>
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</td>
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<td>
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<div>
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<p>What to print between each item. Default is “ ”.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>terminator</em>
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</code>
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</td>
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<td>
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<div>
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<p>What to print at the end. Default is newline.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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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:10SwiftShell14WritableStreamPAAE5write4datay10Foundation4DataV_tF"></a>
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<a name="//apple_ref/swift/Method/write(data:)" class="dashAnchor"></a>
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<a class="token" href="#/s:10SwiftShell14WritableStreamPAAE5write4datay10Foundation4DataV_tF">write(data:)</a>
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</code>
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<span class="declaration-note">
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Extension method
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</span>
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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>Writes data to the stream.</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="kd">func</span> <span class="nf">write</span><span class="p">(</span><span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span></code></pre>
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