<span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Value</span><span class="special">&gt;</span>
<span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&amp;</span> <span class="identifier">replace_if</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&amp;</span> <span class="identifier">rng</span><span class="special">,</span> <span cla