entifier">find_last_not_of</span><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">basic_static_string</span><span class="special">&lt;</span> <span class="identifier">M</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;&amp;</span> <span class="identifier">str</span><span class="special">,</span>
    <span class="identifier">size_type</span> <s