type io.PipeWriter

7 uses

	io (current package)
		pipe.go#L153: type PipeWriter struct {
		pipe.go#L162: func (w *PipeWriter) Write(data []byte) (n int, err error) {
		pipe.go#L168: func (w *PipeWriter) Close() error {
		pipe.go#L178: func (w *PipeWriter) CloseWithError(err error) error {
		pipe.go#L197: func Pipe() (*PipeReader, *PipeWriter) {
		pipe.go#L203: 	return &PipeReader{p}, &PipeWriter{p}

	net/http
		filetransport.go#L75: 	pw           *io.PipeWriter