lass="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../boost_units/Reference.html#header.boost.units.base_units.astronomical.light_second_hpp" title="Header &lt;boost/units/base_units/astronomical/light_second.hpp&gt;">boost/units/base_units/astronomical/light_second.hpp</a>&gt;

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<span class="keyword">struct</span> <a class="link" href="light_second_base_unit.html" title="Struct light_second_base_unit">light_second_base_unit</a> <span class="special">{</span>

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