internal BufferWriter(SequencePool sequencePool, byte[] array)
{
_buffered = 0;
_bytesCommitted = 0;
_sequencePool = sequencePool ?? throw new ArgumentNullException(nameof(sequencePool));
_rental = default;
_output = null;
_segment = new ArraySegment <byte>(array);
_span = _segment.AsSpan();
}
private void MigrateToSequence()
{
if (this._sequencePool != null)
{
// We were writing to our private scratch memory, so we have to copy it into the actual writer.
_rental = _sequencePool.Rent();
_output = _rental.Value;
var realSpan = _output.GetSpan(_buffered);
_segment.AsSpan(0, _buffered).CopyTo(realSpan);
_sequencePool = null;
}
}
public BufferWriter(IBufferWriter <byte> output)
{
_buffered = 0;
_bytesCommitted = 0;
_output = output ?? throw new ArgumentNullException(nameof(output));
_sequencePool = default;
_rental = default;
var memory = _output.GetMemoryCheckResult();
MemoryMarshal.TryGetArray(memory, out _segment);
_span = memory.Span;
}
internal Rental(SequencePool owner, Sequence <byte> value)
{
this.owner = owner;
this.Value = value;
}