func (req *Request) BodyWriter() io.Writer {
	req.w.r = req
	return &req.w
}
func (req *Request) BodyWriter() io.Writer {
	req.w.r = req
	return &req.w
}
func ( req * Request ) BodyWriter ( ) io . Writer { req . w . r = req return & req . w }
// BodyWriter returns writer for populating request body.
BodyWriter returns writer for populating request body .