return ""
	}
	var tparams []string
	for _, field := range list.List {
		tparams = append(tparams, pkg.oneLineField(field, depth))
	}
	return "[" + joinStrings(tparams) + "]"
}

// oneLineField returns a one-line summary of the field.
func (pkg *Package) oneLineField(field *ast.Field, depth int) string {
	var names []string
	for _, name := range field.Names {
		names = append(names, name.Name)
	}