<p>
The built-in function <code>clear</code> takes an argument of <a href="#Map_types">map</a>,
<a href="#Slice_types">slice</a>, or <a href="#Type_parameter_declarations">type parameter</a> type,
and deletes or zeroes out all elements
[<a href="#Go_1.21">Go 1.21</a>].
</p>

<pre class="grammar">
Call        Argument type     Result

clear(m)    map[K]T           deletes all entries, resulting in an