must be <a href="#Uniqueness_of_identifiers">unique</a>.
If absent, each type stands for one item of that type.
Parameter and result
lists are always parenthesized except that if there is exactly
one unnamed result it may be written as an unparenthesized type.
</p>

<p>
The final incoming parameter in a function signature may have
a type prefixed with <code>...</code>.

// package or module. Subsequent lines give a path through the import
// graph, one package per line. If the package or module is not
// referenced from the main module, the stanza will display a single
// parenthesized note indicating that fact.
//
// For example:
//
//	$ go mod why golang.org/x/text/language golang.org/x/text/encoding
//	# golang.org/x/text/language
//	rsc.io/quote
//	rsc.io/sampler

		c.To.goString(indent+2, "To: "))
}

func (c *Cast) prec() precedence {
	return precCast
}

// The parenthesize function prints the string for val, wrapped in
// parentheses if necessary.
func parenthesize(ps *printState, val AST) {
	paren := false
	switch v := val.(type) {
	case *Name, *InitializerList:
	case *FunctionParam:
		if ps.llvmStyle {