buf.WriteByte(' ')
		w.writeType(buf, res.At(0).Type())
	default:
		buf.WriteByte(' ')
		w.writeParams(buf, res, false)
	}
}

func (w *Walker) writeTypeParams(buf *bytes.Buffer, tparams *types.TypeParamList, withConstraints bool) {
	buf.WriteByte('[')
	c := tparams.Len()
	for i := 0; i < c; i++ {
		if i > 0 {
			buf.WriteString(", ")
		}
		tp := tparams.At(i)
		w.writeType(buf, tp)

in square brackets rather than parentheses
[<a href="#Go_1.18">Go 1.18</a>].
</p>

<pre class="ebnf">
TypeParameters  = "[" TypeParamList [ "," ] "]" .
TypeParamList   = TypeParamDecl { "," TypeParamDecl } .
TypeParamDecl   = IdentifierList TypeConstraint .
</pre>

<p>
All non-blank names in the list must be unique.