//
// For packages, the order of scanning is determined lexically in breadth-first order.
// That is, the package presented is the one that matches the search and is nearest
// the root and lexically first at its level of the hierarchy. The GOROOT tree is
// always scanned in its entirety before GOPATH.
//
// If there is no package specified or matched, the package in the current

<p>
Unary operators have the highest precedence.
As the  <code>++</code> and <code>--</code> operators form
statements, not expressions, they fall
outside the operator hierarchy.
As a consequence, statement <code>*p++</code> is the same as <code>(*p)++</code>.
</p>

<p>
There are five precedence levels for binary operators.