func (l *List[T]) Len() int  { … }
</pre>

<h3 id="Type_parameter_declarations">Type parameter declarations</h3>

<p>
A type parameter list declares the <i>type parameters</i> of a generic function or type declaration.
The type parameter list looks like an ordinary <a href="#Function_types">function parameter list</a>
except that the type parameter names must all be present and the list is enclosed
in square brackets rather than parentheses

  <mime-type type="application/x-x509-dsa-parameters">
    <magic priority="50">
      <!-- PEM encoded only -->
      <match value="-----BEGIN DSA PARAMETERS-----" type="string" offset="0"/>
    </magic>
  </mime-type>
  <mime-type type="application/x-x509-ec-parameters">
    <magic priority="50">
      <!-- PEM encoded only -->
      <match value="-----BEGIN EC PARAMETERS-----" type="string" offset="0"/>
    </magic>