For instance, changing an element of a <a href="#Slice_types">slice</a> will change
that element in the underlying array for all slices that share the array.
</p>

<h3 id="Underlying_types">Underlying types</h3>

<p>
Each type <code>T</code> has an <i>underlying type</i>: If <code>T</code>
is one of the predeclared boolean, numeric, or string types, or a type literal,