GoThrough - package:mime/multipart

multipart.ErrMessageTooLarge

// ErrMessageTooLarge is returned by ReadForm if the message form
// data is too large to be processed.
var ErrMessageTooLarge = errors.New("multipart: message too large")

multipart.File

// File is an interface to access the file part of a multipart message.
// Its contents may be either stored in memory or on disk.
// If stored on disk, the File's underlying concrete type will be an *os.File.
type File interface {
	io.Reader
	io.ReaderAt
	io.Seeker
	io.Closer
}

multipart.NewReader

// NewReader creates a new multipart Reader reading from r using the
// given MIME boundary.
// 
// The boundary is usually obtained from the "boundary" parameter of
// the message's "Content-Type" header. Use mime.ParseMediaType to
// parse such headers.
func NewReader(r io.Reader, boundary string) *Reader

multipart.NewWriter

// NewWriter returns a new multipart Writer with a random boundary,
// writing to w.
func NewWriter(w io.Writer) *Writer