System.Buffers.SequenceReader Example

System.Buffers.SequenceReader-example.cs

private static ReadOnlySpan<byte> CRLF => new byte[] { (byte)'\r', (byte)'\n' };

public static void ReadLines(ReadOnlySequence<byte> sequence)
{
    SequenceReader<byte> reader = new SequenceReader<byte>(sequence);

    while (!reader.End)
    {
        if (!reader.TryReadToAny(out ReadOnlySpan<byte> line, CRLF, advancePastDelimiter:false))
        {
            // Couldn't find another delimiter
            // ...
        }

        if (!reader.IsNext(CRLF, advancePast: true))
        {
            // Not a good CR/LF pair
            // ...
        }

        // line is valid, process
        ProcessLine(line);
    }
}