func newBoundaryReader(reader *bufio.Reader, boundary string) *boundaryReader {
	fullBoundary := []byte("\n--" + boundary + "--")
	return &boundaryReader{
		r:        reader,
		nlPrefix: fullBoundary[:len(fullBoundary)-2],
		prefix:   fullBoundary[1 : len(fullBoundary)-2],
		final:    fullBoundary[1:],
		buffer:   new(bytes.Buffer),
	}
}
func newBoundaryReader(reader *bufio.Reader, boundary string) *boundaryReader {
	fullBoundary := []byte("\n--" + boundary + "--")
	return &boundaryReader{
		r:        reader,
		nlPrefix: fullBoundary[:len(fullBoundary)-2],
		prefix:   fullBoundary[1 : len(fullBoundary)-2],
		final:    fullBoundary[1:],
		buffer:   new(bytes.Buffer),
	}
}
func newBoundaryReader ( reader * bufio . Reader , boundary string ) * boundaryReader { fullBoundary := [ ] byte ( " \n " + boundary + " " ) return & boundaryReader { r : reader , nlPrefix : fullBoundary [ : len ( fullBoundary ) - 2 ] , prefix : fullBoundary [ 1 : len ( fullBoundary ) - 2 ] , final : fullBoundary [ 1 : ] , buffer : new ( bytes . Buffer ) , } }
// newBoundaryReader returns an initialized boundaryReader
newBoundaryReader returns an initialized boundaryReader