ype <code class="computeroutput"><span class="identifier">T</span></code>,
        then applies integral and floating point promotions to <code class="computeroutput"><span class="identifier">T</span></code>
        and keeps cv-qualifiers of <code class="computeroutput"><span class="identifier">T</span></code>,
        otherwise leaves <code class="computeroutput"><span class="identifier">T</span></code> unchanged.
        See also <a class="link" href="integral_promotion.html" title="integral_promotion">i