Lambda expressions">library-provided
            tools</a>. The filter can be set with the <code class="computeroutput"><span class="identifier">set_filter</span></code>
            method or cleared with the <code class="computeroutput"><span class="identifier">reset_filter</span></code>
            method. The filter is invoked during the call to the <code class="computeroutput"><span class="identifier">will_consume</span></code>
            method that is issued by the logging core. If the filter is not 