var pp = 1<<s == 1<<33         // illegal: 1 has type int, but 1<<33 overflows int
var xx = a[1.0<<s]             // 1.0 has type int; xx == a[0]
var bb = make([]byte, 1.0<<s)  // 1.0 has type int; len(bb) == 0
</pre>

<h4 id="Operator_precedence">Operator precedence</h4>
<p>
Unary operators have the highest precedence.
As the  <code>++</code> and <code>--</code> operators form