When a <a href="/pkg/bufio#SplitFunc"><code>SplitFunc</code></a> returns <a href="/pkg/bufio#ErrFinalToken"><code>ErrFinalToken</code></a> with a <code>nil</code> token, <a href="/pkg/bufio#Scanner"><code>Scanner</code></a> will now stop immediately.
      Previously, it would report a final empty token before stopping, which was usually not desired.

type parameters.
<code>D0[int, string]</code> and <code>struct{ x int; y string }</code> are
different because the former is an <a href="#Instantiations">instantiated</a>
defined type while the latter is a type literal
(but they are still <a href="#Assignability">assignable</a>).
</p>

<h3 id="Assignability">Assignability</h3>

<p>