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<div class="refsect1">
<a name="idp101657776"></a><h2>Description</h2>
<p>d = The next available BOOST_PP_WHILE iteration. ... = Variadic parameters.</p>
<p>The first variadic parameter is required and is the sequence to convert.</p>
<p>Further optional variadic parameters can be return type parameters. Return type parameters allow each element in the sequence to be converted to a two-element tuple where the first tuple element is the type and the second tuple element is the element data.</p>
<p>The BO