go/src/internal/zstd/bits.go

type block …

type bitReader …

// makeBitReader makes a bit reader starting at off.
func (r *Reader) makeBitReader(data block, off int) bitReader { … }

// moreBits is called to read more bits.
// This ensures that at least 16 bits are available.
func (br *bitReader) moreBits() error { … }

// val is called to fetch a value of b bits.
func (br *bitReader) val(b uint8) uint32 { … }

// backup steps back to the last byte we used.
func (br *bitReader) backup() { … }

// makeError returns an error at the current offset wrapping a string.
func (br *bitReader) makeError(msg string) error { … }

type reverseBitReader …

// makeReverseBitReader makes a reverseBitReader reading backward
// from off to start. The bitstream starts with a 1 bit in the last
// byte, at off.
func (r *Reader) makeReverseBitReader(data block, off, start int) (reverseBitReader, error) { … }

// val is called to fetch a value of b bits.
func (rbr *reverseBitReader) val(b uint8) (uint32, error) { … }

// fetch is called to ensure that at least b bits are available.
// It reports false if this can't be done,
// in which case only rbr.cnt bits are available.
func (rbr *reverseBitReader) fetch(b uint8) bool { … }

// makeError returns an error at the current offset wrapping a string.
func (rbr *reverseBitReader) makeError(msg string) error { … }