valuates to <code class="computeroutput"><span class="keyword">true</span></code>.
          </p>
<p>
            The following example implements a custom dataset generating a Fibonacci
            sequence.
          </p>
<h6>
<a name="boost_test.tests_organization.test_cases.test_case_generation.datasets.h1"></a>
            <span class="phrase"><a name="boost_test.tests_organization.test_cases.test_case_generation.datasets.example_descr"></a></span><a class="link" href="datasets.html#boost_test.tests_or