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<h1>
<small class="visible-xs">Elixir v1.7.2</small>
Bitwise
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L1" title="View Source" class="view-source" rel="help">
<span class="icon-code" aria-hidden="true"></span>
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</a>
</h1>
<section id="moduledoc">
<p>A set of macros that perform calculations on bits.</p>
<p>The macros in this module come in two flavors: named or
operators. For example:</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="kn">use</span><span class="w"> </span><span class="nc">Bitwise</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bnot</span><span class="p" data-group-id="1144136082-1">(</span><span class="mi">1</span><span class="p" data-group-id="1144136082-1">)</span><span class="w"> </span><span class="c1"># named</span><span class="w">
</span><span class="o">-</span><span class="mi">2</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o">&&&</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="c1"># operator</span><span class="w">
</span><span class="mi">1</span></code></pre>
<p>If you prefer to use only operators or skip them, you can
pass the following options:</p>
<ul>
<li><code class="inline">:only_operators</code> - includes only operators
</li>
<li><code class="inline">:skip_operators</code> - skips operators
</li>
</ul>
<p>For example:</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="kn">use</span><span class="w"> </span><span class="nc">Bitwise</span><span class="p">,</span><span class="w"> </span><span class="ss">only_operators</span><span class="p">:</span><span class="w"> </span><span class="no">true</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o">&&&</span><span class="w"> </span><span class="mi">1</span><span class="w">
</span><span class="mi">1</span></code></pre>
<p>When invoked with no options, <code class="inline">use Bitwise</code> is equivalent
to <code class="inline">import Bitwise</code>.</p>
<p>All bitwise macros can be used in guards:</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="kn">use</span><span class="w"> </span><span class="nc">Bitwise</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">odd?</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k" data-group-id="1878232304-1">fn</span><span class="w">
</span><span class="gp unselectable">...> </span><span class="w"> </span><span class="n">int</span><span class="w"> </span><span class="ow">when</span><span class="w"> </span><span class="n">band</span><span class="p" data-group-id="1878232304-2">(</span><span class="n">int</span><span class="p">,</span><span class="w"> </span><span class="mi">1</span><span class="p" data-group-id="1878232304-2">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="o">-></span><span class="w"> </span><span class="no">true</span><span class="w">
</span><span class="gp unselectable">...> </span><span class="w"> </span><span class="bp">_</span><span class="w"> </span><span class="o">-></span><span class="w"> </span><span class="no">false</span><span class="w">
</span><span class="gp unselectable">...> </span><span class="k" data-group-id="1878232304-1">end</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">odd?</span><span class="o">.</span><span class="p" data-group-id="1878232304-3">(</span><span class="mi">1</span><span class="p" data-group-id="1878232304-3">)</span><span class="w">
</span><span class="no">true</span></code></pre>
</section>
<section id="summary" class="details-list">
<h1 class="section-heading">
<a class="hover-link" href="#summary">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this section</span>
</a>
Summary
</h1>
<div class="summary-functions summary">
<h2>
<a href="#functions">Functions</a>
</h2>
<div class="summary-row">
<div class="summary-signature">
<a href="#&&&/2">left &&& right</a>
</div>
<div class="summary-synopsis"><p>Infix operator; calculates the bitwise AND of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#%3C%3C%3C/2">left <<< right</a>
</div>
<div class="summary-synopsis"><p>Infix operator; calculates the result of an arithmetic left bitshift</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#%3E%3E%3E/2">left >>> right</a>
</div>
<div class="summary-synopsis"><p>Infix operator; calculates the result of an arithmetic right bitshift</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#%5E%5E%5E/2">left ^^^ right</a>
</div>
<div class="summary-synopsis"><p>Infix operator; calculates the bitwise XOR of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#band/2">band(left, right)</a>
</div>
<div class="summary-synopsis"><p>Calculates the bitwise AND of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#bnot/1">bnot(expr)</a>
</div>
<div class="summary-synopsis"><p>Calculates the bitwise NOT of its argument</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#bor/2">bor(left, right)</a>
</div>
<div class="summary-synopsis"><p>Calculates the bitwise OR of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#bsl/2">bsl(left, right)</a>
</div>
<div class="summary-synopsis"><p>Calculates the result of an arithmetic left bitshift</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#bsr/2">bsr(left, right)</a>
</div>
<div class="summary-synopsis"><p>Calculates the result of an arithmetic right bitshift</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#bxor/2">bxor(left, right)</a>
</div>
<div class="summary-synopsis"><p>Calculates the bitwise XOR of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#%7C%7C%7C/2">left ||| right</a>
</div>
<div class="summary-synopsis"><p>Infix operator; calculates the bitwise OR of its arguments</p>
</div>
</div>
<div class="summary-row">
<div class="summary-signature">
<a href="#~~~/1">~~~expr</a>
</div>
<div class="summary-synopsis"><p>Prefix (unary) operator; calculates the bitwise NOT of its argument</p>
</div>
</div>
</div>
</section>
<section id="functions" class="details-list">
<h1 class="section-heading">
<a class="hover-link" href="#functions">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this section</span>
</a>
Functions
</h1>
<div class="detail" id="&&&/2">
<div class="detail-header">
<a href="#&&&/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">left &&& right</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L104" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Infix operator; calculates the bitwise AND of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="mi">9</span><span class="w"> </span><span class="o">&&&</span><span class="w"> </span><span class="mi">3</span><span class="w">
</span><span class="mi">1</span></code></pre>
</section>
</div>
<div class="detail" id="%3C%3C%3C/2">
<span id="<<</2"></span>
<div class="detail-header">
<a href="#%3C%3C%3C/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">left <<< right</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L182" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Infix operator; calculates the result of an arithmetic left bitshift.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o"><<<</span><span class="w"> </span><span class="mi">2</span><span class="w">
</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o"><<<</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="w">
</span><span class="mi">0</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="o"><<<</span><span class="w"> </span><span class="mi">2</span><span class="w">
</span><span class="o">-</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="o"><<<</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="w">
</span><span class="o">-</span><span class="mi">1</span></code></pre>
</section>
</div>
<div class="detail" id="%3E%3E%3E/2">
<span id=">>>/2"></span>
<div class="detail-header">
<a href="#%3E%3E%3E/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">left >>> right</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L216" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Infix operator; calculates the result of an arithmetic right bitshift.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o">>>></span><span class="w"> </span><span class="mi">2</span><span class="w">
</span><span class="mi">0</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="mi">1</span><span class="w"> </span><span class="o">>>></span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="w">
</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="o">>>></span><span class="w"> </span><span class="mi">2</span><span class="w">
</span><span class="o">-</span><span class="mi">1</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="o">-</span><span class="mi">1</span><span class="w"> </span><span class="o">>>></span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="w">
</span><span class="o">-</span><span class="mi">4</span></code></pre>
</section>
</div>
<div class="detail" id="%5E%5E%5E/2">
<span id="^^^/2"></span>
<div class="detail-header">
<a href="#%5E%5E%5E/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">left ^^^ right</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L148" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Infix operator; calculates the bitwise XOR of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="mi">9</span><span class="w"> </span><span class="o">^^^</span><span class="w"> </span><span class="mi">3</span><span class="w">
</span><span class="mi">10</span></code></pre>
</section>
</div>
<div class="detail" id="band/2">
<div class="detail-header">
<a href="#band/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">band(left, right)</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L93" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Calculates the bitwise AND of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">band</span><span class="p" data-group-id="1409340421-1">(</span><span class="mi">9</span><span class="p">,</span><span class="w"> </span><span class="mi">3</span><span class="p" data-group-id="1409340421-1">)</span><span class="w">
</span><span class="mi">1</span></code></pre>
</section>
</div>
<div class="detail" id="bnot/1">
<div class="detail-header">
<a href="#bnot/1" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">bnot(expr)</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L69" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Calculates the bitwise NOT of its argument.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">bnot</span><span class="p" data-group-id="6222514832-1">(</span><span class="mi">2</span><span class="p" data-group-id="6222514832-1">)</span><span class="w">
</span><span class="o">-</span><span class="mi">3</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bnot</span><span class="p" data-group-id="6222514832-2">(</span><span class="mi">2</span><span class="p" data-group-id="6222514832-2">)</span><span class="w"> </span><span class="o">&&&</span><span class="w"> </span><span class="mi">3</span><span class="w">
</span><span class="mi">1</span></code></pre>
</section>
</div>
<div class="detail" id="bor/2">
<div class="detail-header">
<a href="#bor/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">bor(left, right)</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L115" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Calculates the bitwise OR of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">bor</span><span class="p" data-group-id="4661073470-1">(</span><span class="mi">9</span><span class="p">,</span><span class="w"> </span><span class="mi">3</span><span class="p" data-group-id="4661073470-1">)</span><span class="w">
</span><span class="mi">11</span></code></pre>
</section>
</div>
<div class="detail" id="bsl/2">
<div class="detail-header">
<a href="#bsl/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
<span class="sr-only">Link to this macro</span>
</a>
<span class="signature">bsl(left, right)</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L165" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Calculates the result of an arithmetic left bitshift.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">bsl</span><span class="p" data-group-id="2149572438-1">(</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p" data-group-id="2149572438-1">)</span><span class="w">
</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsl</span><span class="p" data-group-id="2149572438-2">(</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="p" data-group-id="2149572438-2">)</span><span class="w">
</span><span class="mi">0</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsl</span><span class="p" data-group-id="2149572438-3">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p" data-group-id="2149572438-3">)</span><span class="w">
</span><span class="o">-</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsl</span><span class="p" data-group-id="2149572438-4">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="p" data-group-id="2149572438-4">)</span><span class="w">
</span><span class="o">-</span><span class="mi">1</span></code></pre>
</section>
</div>
<div class="detail" id="bsr/2">
<div class="detail-header">
<a href="#bsr/2" class="detail-link" title="Link to this macro">
<span class="icon-link" aria-hidden="true"></span>
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</a>
<span class="signature">bsr(left, right)</span>
<a href="https://github.com/elixir-lang/elixir/blob/v1.7.2/lib/elixir/lib/bitwise.ex#L199" class="view-source" rel="help" title="View Source">
<span class="icon-code" aria-hidden="true"></span>
<span class="sr-only">View Source</span>
</a>
<span class="note">(macro)</span>
</div>
<section class="docstring">
<p>Calculates the result of an arithmetic right bitshift.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">bsr</span><span class="p" data-group-id="8321811517-1">(</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p" data-group-id="8321811517-1">)</span><span class="w">
</span><span class="mi">0</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsr</span><span class="p" data-group-id="8321811517-2">(</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="p" data-group-id="8321811517-2">)</span><span class="w">
</span><span class="mi">4</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsr</span><span class="p" data-group-id="8321811517-3">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">2</span><span class="p" data-group-id="8321811517-3">)</span><span class="w">
</span><span class="o">-</span><span class="mi">1</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="n">bsr</span><span class="p" data-group-id="8321811517-4">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="o">-</span><span class="mi">2</span><span class="p" data-group-id="8321811517-4">)</span><span class="w">
</span><span class="o">-</span><span class="mi">4</span></code></pre>
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<span class="signature">bxor(left, right)</span>
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<p>Calculates the bitwise XOR of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="n">bxor</span><span class="p" data-group-id="0892663662-1">(</span><span class="mi">9</span><span class="p">,</span><span class="w"> </span><span class="mi">3</span><span class="p" data-group-id="0892663662-1">)</span><span class="w">
</span><span class="mi">10</span></code></pre>
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<span class="signature">left ||| right</span>
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<p>Infix operator; calculates the bitwise OR of its arguments.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="mi">9</span><span class="w"> </span><span class="o">|||</span><span class="w"> </span><span class="mi">3</span><span class="w">
</span><span class="mi">11</span></code></pre>
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<span class="signature">~~~expr</span>
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<p>Prefix (unary) operator; calculates the bitwise NOT of its argument.</p>
<pre><code class="nohighlight makeup elixir"><span class="gp unselectable">iex> </span><span class="o">~~~</span><span class="mi">2</span><span class="w">
</span><span class="o">-</span><span class="mi">3</span><span class="w">
</span><span class="gp unselectable">iex> </span><span class="o">~~~</span><span class="mi">2</span><span class="w"> </span><span class="o">&&&</span><span class="w"> </span><span class="mi">3</span><span class="w">
</span><span class="mi">1</span></code></pre>
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