io

Documentation

Index

• type CountWriter
  • func NewCountWriter(w io.Writer) *CountWriter
  • func (w *CountWriter) Count() int64
  • func (w *CountWriter) Write(p []byte) (int, error)

Types

type CountWriter

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

CountWriter is an io.Writer that keeps track of the number of bytes written to it.

func NewCountWriter

func NewCountWriter(w io.Writer) *CountWriter

func (*CountWriter) Count

func (w *CountWriter) Count() int64

Count returns the total number of bytes written to the writer.

func (*CountWriter) Write

func (w *CountWriter) Write(p []byte) (int, error)