// End returns the offset of the first byte immediately after this field.
func (f *Field) End() int64 {
	return f.Offset + f.Type.width
}

// IsMethod reports whether f represents a method rather than a struct field.
func (f *Field) IsMethod() bool {
	return f.Type.kind == TFUNC && f.Type.Recv() != nil
}

// fields is a pointer to a slice of *Field.

// multiple lines.
func (p *printer) selectorExpr(x *ast.SelectorExpr, depth int, isMethod bool) bool {
	p.expr1(x.X, token.HighestPrec, depth)
	p.print(token.PERIOD)
	if line := p.lineFor(x.Sel.Pos()); p.pos.IsValid() && p.pos.Line < line {
		p.print(indent, newline)
		p.setPos(x.Sel.Pos())
		p.print(x.Sel)
		if !isMethod {
			p.print(unindent)
		}
		return true
	}
	p.setPos(x.Sel.Pos())