type mime/multipart.part

5 uses

	mime/multipart (current package)
		writer.go#L22: 	lastpart *part
		writer.go#L125: 	p := &part{
		writer.go#L181: type part struct {
		writer.go#L187: func (p *part) close() error {
		writer.go#L192: func (p *part) Write(d []byte) (n int, err error) {