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<h2><span class="refentrytitle">Struct dimensionless_type</span></h2>
<p>boost::units::dimensionless_type &#8212; Dimension lists in which all exponents resolve to zero reduce to <code class="computeroutput">dimensionless_type</code>. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../boost_units/Reference.html#header.boost.units.dimensionless_type_hpp" title="Header &lt;boost/units/dimensionless_type.hpp&gt;">boost/units/dimensionless_type.hpp</a>&gt;
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<span class="keyword">struct</span> <a class="link" href="dimensionless_type.html" title="Struct dimensionless_type">dimensionless_type</a> <span class="special">{</span>
<span class="comment">// types</span>
<span class="keyword">typedef</span> <a class="link" href="dimensionless_type.html" title="Struct dimensionless_type">dimensionless_type</a> <a name="boost.units.dimensionless_type.type"></a><span class="identifier">type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.units.dimensionless_type.tag"></a><span class="identifier">tag</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">long_</span><span class="special">&lt;</span> <span class="number">0</span> <span class="special">&gt;</span> <a name="boost.units.dimensionless_type.size"></a><span class="identifier">size</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003 -2008 Matthias Christian Schabel, 2007-2010 Steven
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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