value, err := strconv.ParseFloat(str, 64)
	if err != nil {
		p.errorf("%s", err)
	}
	return value
}

// EOF represents the end of input.
var EOF = lex.Make(scanner.EOF, "EOF")

func (p *Parser) next() lex.Token {
	if !p.more() {
		return EOF
	}
	tok := p.input[p.inputPos]
	p.inputPos++
	return tok
}

func (p *Parser) back() {
	if p.inputPos == 0 {

    return readUnsignedByte() != 0;
  }

  /**
   * Reads a byte from the input stream checking that the end of file (EOF) has not been
   * encountered.
   *
   * @return byte read from input
   * @throws IOException if an error is encountered while reading
   * @throws EOFException if the end of file (EOF) is encountered.
   */
  private byte readAndCheckByte() throws IOException, EOFException {
    int b1 = in.read();

    int readTrailerWireFormat(final InputStream in, final byte[] buffer, int bufferIndex) throws IOException {
        if (in.read(buffer, bufferIndex, this.length) != this.length) {
            throw new IOException("unexpected EOF reading netbios retarget session response");
        }
        final int addr = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        new NbtAddress(null, addr, false, NbtAddress.B_NODE);

        assertThrows(IOException.class, () -> {
            ASN1Util.readTagNumber(s, 0x1F);
        });
    }

    @Test
    void testReadTagNumber_EOF() {
        // EOF inside tag value
        InputStream s = new ByteArrayInputStream(new byte[] {});
        assertThrows(EOFException.class, () -> {
            ASN1Util.readTagNumber(s, 0x1F);
        });
    }

	// message will be sent after the serialized message as little endian.
	FlagCRCxxh3 Flags = 1 << iota

	// FlagEOF the stream (either direction) is at EOF.
	FlagEOF

	// FlagStateless indicates the message is stateless.
	// This will retain clients across reconnections or
	// if sequence numbers are unexpected.
	FlagStateless

Create a file `testobject` with some test data that will be transformed
```
cat > testobject << EOF
MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. It is API compatible with Amazon S3 cloud storage service. Use MinIO to build high performance infrastructure for machine learning, analytics and application data workloads.
EOF
```

Upload this object to the bucket via `mc cp`
```

	_, err = io.ReadFull(cr.reader, cr.buffer)
	if err == io.EOF && size != 0 {
		err = io.ErrUnexpectedEOF
	}
	if err != nil && err != io.EOF {
		cr.err = err
		return n, cr.err
	}

	// If the chunk size is zero we return io.EOF. As specified by AWS,
	// only the last chunk is zero-sized.
	if len(cr.buffer) == 0 {
		if cr.debug {
			fmt.Println("EOF")
		}
		if cr.trailers != nil {
			err = cr.readTrailers()

    @Override
    int readTrailerWireFormat(final InputStream in, final byte[] buffer, int bufferIndex) throws IOException {
        if (in.read(buffer, bufferIndex, length) != length) {
            throw new IOException("unexpected EOF reading netbios retarget session response");
        }
        final int addr = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        retargetAddress = new NbtAddress(null, addr, false, NbtAddress.B_NODE);

		defer func() {
			atomic.StoreInt64(&sr.end, rpos)
			close(sr.fillReady)
		}()

		for range sr.fillReq {
		scan:
			n, err := r.Read(sr.nbuf[:])

			if n == 0 {
				switch err {
				case io.EOF: // reader is exhausted
					return
				case nil: // no data and no error, retry fill
					goto scan
				default: // unexpected reader error
					sr.readerErr = err
					return
				}
			}

// no bytes and the error err, or EOF if err is nil.
//
// CloseWithError never overwrites the previous error if it exists
// and always returns nil.
func (r *RingBuffer) CloseWithError(err error) {
	if err == nil {
		err = io.EOF
	}
	r.setErr(err, false)
}

// CloseWriter closes the writer.
// Reads will return any remaining bytes and io.EOF.
func (r *RingBuffer) CloseWriter() {