nce.algorithms.mutating.replace_if.description">Description</a>
          </h6>
<p>
            <code class="computeroutput"><span class="identifier">replace_if</span></code> replaces every
            element <code class="computeroutput"><span class="identifier">x</span></code> in <code class="computeroutput"><span class="identifier">rng</span></code> for which <code class="computeroutput"><span class="identifier">pred</span><span class="special">(</span><span class="identifier">x</span><span class="specia