i0 := 0
	var typ Expr
	for i, f := range fields {
		if f.Name == nil || f.Type != typ {
			if i0 < i {
				p.printFields(fields, tags, i0, i)
				p.print(sep, newline)
				i0 = i
			}
			typ = f.Type
		}
	}
	p.printFields(fields, tags, i0, len(fields))
}

func (p *printer) printMethodList(methods []*Field) {
	for i, m := range methods {
		if i > 0 {