">
same as <a href="Gc.html#VALfinalise"><code class="code"><span class="constructor">Gc</span>.finalise</code></a> except the value is not given as argument. So
    you can't use the given value for the computation of the
    finalisation function. The benefit is that the function is called
    after the value is unreachable for the last time instead of the
    first time. So contrary to <a href="Gc.html#VALfinalise"><code class="code"><span class="constructor">Gc</span>.finalise</code></a> the value will 