The new <code>Dialer</code> methods
<a href="/pkg/net/#Dialer.DialIP"><code>DialIP</code></a>,
<a href="/pkg/net/#Dialer.DialTCP"><code>DialTCP</code></a>,
<a href="/pkg/net/#Dialer.DialUDP"><code>DialUDP</code></a>, and
<a href="/pkg/net/#Dialer.DialUnix"><code>DialUnix</code></a>
permit dialing specific network types with context values.