public Span <T> GetSpan(int sizeHint = 0)
{
var requestedSize = Math.Max(sizeHint, 0);
if (_buffer.Length < requestedSize + _count)
{
Resize(this, requestedSize);
}
return(_buffer.AsSpan(_count, requestedSize));
static void Resize(UnsafeBufferWriter <T> self, int requestedSize)
{
var newCapacity = Math.Max(4, Math.Max(requestedSize + self._count, self._buffer.Length * 2));
var newBuffer = new UnsafeRawArray <T>(newCapacity, false);
try {
self._buffer.AsSpan(0, self._count).CopyTo(newBuffer.AsSpan());
}
catch {
newBuffer.Dispose();
throw;
}
self._buffer.Dispose();
self._buffer = newBuffer;
}
