code">total</code> nodes (meaningful or not) were
   encountered.  If <code class="code">total</code> as specified by the user exceeds a certain
   value, currently 256, then it is capped to that value.
   Meaningful nodes are: integers; floating-point
   numbers; strings; characters; booleans; and constant
   constructors. Larger values of <code class="code">meaningful</code> and <code class="code">total</code> means that
   more nodes are taken into account to compute the final hash value,
   and therefor