          </p>
<h7><a name="beast.ref.boost__beast__http__header.reason.overload1.h2"></a>
            <span class="phrase"><a name="beast.ref.boost__beast__http__header.reason.overload1.remarks"></a></span><a class="link" href="overload1.html#beast.ref.boost__beast__http__header.reason.overload1.remarks">Remarks</a>
          </h7><p>
            This function is only available when <code class="computeroutput"><span class="identifier">isRequest</span>
            <span class="special">==</span> <span clas