no values to be appended to the slice, such as <code>slice = append(slice)</code>.
  Such a statement has no effect, and experience has shown that is nearly always a mistake.
</p>

<h4 id="vet-defers">New warnings for deferring <code>time.Since</code></h4>

<p><!-- CL 527095, https://go.dev/issue/60048: time.Since should not be used in defer statement -->
  The vet tool now reports a non-deferred call to

The completion of all <code>init</code> functions is synchronized before
the start of the function <code>main.main</code>.
</p>

<h3 id="go">Goroutine creation</h3>

<p class="rule">
The <code>go</code> statement that starts a new goroutine
is synchronized before the start of the goroutine's execution.
</p>

<p>
For example, in this program:
</p>

<pre>
var a string

func f() {
	print(a)
}

	<li>the statement lists in each case, including the default, end in a terminating
	    statement, or a possibly labeled <a href="#Fallthrough_statements">"fallthrough"
	    statement</a>.</li>
	</ul>
</li>

<li>
	A <a href="#Select_statements">"select" statement</a> in which:
	<ul>
	<li>there are no "break" statements referring to the "select" statement, and</li>

	<li>the statement lists in each case, including the default, end in a terminating
	    statement, or a possibly labeled <a href="#Fallthrough_statements">"fallthrough"
	    statement</a>.</li>
	</ul>
</li>

<li>
	A <a href="#Select_statements">"select" statement</a> in which:
	<ul>
	<li>there are no "break" statements referring to the "select" statement, and</li>