</p>
<pre>
func Greeting(prefix string, who ...string)
Greeting("nobody")
Greeting("hello:", "Joe", "Anna", "Eileen")
</pre>

<p>
within <code>Greeting</code>, <code>who</code> will have the value
<code>nil</code> in the first call, and
<code>[]string{"Joe", "Anna", "Eileen"}</code> in the second.
</p>

<p>
If the final argument is assignable to a slice type <code>[]T</code> and

pkg syscall (darwin-arm64), func Wait4(int, *WaitStatus, int, *Rusage) (int, error)
pkg syscall (darwin-arm64), func Write(int, []uint8) (int, error)
pkg syscall (darwin-arm64), method (*Cmsghdr) SetLen(int)
pkg syscall (darwin-arm64), method (*Iovec) SetLen(int)
pkg syscall (darwin-arm64), method (*Msghdr) SetControllen(int)
pkg syscall (darwin-arm64), type BpfHdr struct
pkg syscall (darwin-arm64), type BpfHdr struct, Caplen uint32