countingreader

Documentation

Index

• type Reader
  • func New(r io.Reader) *Reader
  • func NewLimited(r io.Reader, maxBytes int64) *Reader
  • func (r *Reader) N() int64
  • func (r *Reader) Read(p []byte) (n int, err error)

Types

type Reader

type Reader struct {
	// contains filtered or unexported fields
}

Reader counts the bytes read through it.

func New

func New(r io.Reader) *Reader

NewReader makes a new Reader that counts the bytes read through it.

func NewLimited

func NewLimited(r io.Reader, maxBytes int64) *Reader

NewLimited makes a new Reader that counts the bytes read through it.

When maxBytes bytes are read, the next read will return io.EOF even though the underlying reader has more data.

func (*Reader) N

func (r *Reader) N() int64

N gets the number of bytes that have been read so far.

func (*Reader) Read

func (r *Reader) Read(p []byte) (n int, err error)