<a href="#Integer_literals">integer literals</a>.
Source code containing an integer literal such as <code>0b1011</code>
will be rejected if the implied or required language version used by
the compiler is older than Go 1.13.
</p>

<p>
The following table describes the minimum language version required for
features introduced after Go 1.
</p>

<h4 id="Go_1.9">Go 1.9</h4>
<ul>
<li>