c_fields.equal_range.overload1.synopsis">Synopsis</a>
          </h7><pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">const_iterator</span> <span class="special">&gt;</span>
<span class="identifier">equal_range</span><span class="special">(</span>
    <span class="identifier">field</span> <span