 but also convienent masks
to use when extracting the highest or all the significant bits when the
containing built-in type contains more bits.  This prevents
contaimination of values by the higher, unused bits.</p>

<h2><a name="credits">Credits</a></h2>

<p>The author of the Boost bit mask class templates is <a
href="../../../people/daryle_walker.html">Daryle Walker</a>.</p>

<hr>

<p>Revised September 23, 2001</p>

<p>&copy; Copyright Daryle Walker 2001.  Permission to copy, use,
modify, sell and distrib