goerasure

type BlockWriter interface {
	Data(buf [][]byte)
	Coding(buf [][]byte)
	WriteData() error
	WriteCoding() error
	WriteErased(erasures []int) error
}

type Coder interface {
	// Encode data and produce parity for the given code.
	Encode(data, coding [][]byte)
	// Decode data and parity with the specified erasures taken into
	// account for the given code.
	Decode(data, coding [][]byte, erasures []int)
	// ValidateCode ensures that the coding parameters follow the
	// specific code's requirements.
	ValidateCode()
	// PrintInfo prints the coding parameters.
	PrintInfo()
	// Ensure that the file size is compatible with the coding parameters.
	CheckFileSize(size int64)
	// K retrieves the number of data blocks.
	K() int
	// M retrueves the number of parity blocks.
	M() int
	// Buffersize retrieves the buffer size
	Buffersize() int64
}

type LenReader interface {
	io.Reader
	Len() int64
}