stconditions:</b> This bitset is equal to the original
<tt>b</tt>, and <tt>b</tt> is equal to the previous version of
this bitset.<br />
<b>Throws:</b> nothing.

<hr />
<pre>
dynamic_bitset&amp; <a id=
"assign">operator=</a>(const dynamic_bitset&amp; x)
</pre>

<b>Effects:</b> This bitset becomes a copy of the bitset
<tt>x</tt>.<br />
 <b>Postconditions:</b> For all <tt>i</tt> in the range
<tt>[0,x.size())</tt>, <tt>(*this)[i] == x[i]</tt>.<br />
 <b>Returns:</b> <tt>*this</tt>.<br />
 <b>Throws:</b> nothin