 class="identifier">cpp</span><span class="special">(</span><span class="number">15</span><span class="special">):</span> <span class="identifier">error</span><span class="special">:</span> <span class="identifier">in</span> <span class="string">"test_message"</span><span class="special">:</span> <span class="identifier">a</span> <span class="identifier">should</span> <span class="identifier">be</span> <span class="identifier">equal</span> <span class="identifier">to</span> <span class="identifier">b</span>