func()

in decode.go [252:264]

• 11 lines of code
• 3 McCabe index (conditional complexity)

func (r *Reader) ReadByte() (byte, error) {
	if r.err != nil {
		return 0, r.err
	}

	if err := r.fill(); err != nil {
		return 0, err
	}

	c := r.decoded[r.i]
	r.i++
	return c, nil
}