ice were
mutated.  Thus, indices of a slice can be used interchangibly with indices
of the base collection.</p>

<p><strong>Warning:</strong> Long-term storage of <code>Slice</code> instances is discouraged.</p>

<p>  Because a <code>Slice</code> presents a <em>view</em> onto the storage of some larger
  collection even after the original collection goes out of scope, storing
  the slice may prolong the lifetime of elements that are no longer
  accessible, which can manifest as apparent memory and object le