t> bits. For each bit in the returned bitset, the bit at
position pos takes on the value of the bit at position <tt>pos -
n</tt> of this bitset, or zero if no such bit exists.<br />
 <b>Throws:</b> An allocation error if memory is exhausted
(<tt>std::bad_alloc</tt> if <tt>Allocator=std::allocator</tt>).

<hr />
<pre>
dynamic_bitset <a id=
"op-sr">operator&gt;&gt;</a>(size_type n) const
</pre>

<b>Returns:</b> a copy of <tt>*this</tt> shifted to the right by
<tt>n</tt> bits. For each bit in the returned bits