public override ValueTask WriteAsync(ReadOnlyMemory <byte> source, CancellationToken cancellationToken = default(CancellationToken))
{
if (GetType() != typeof(GZipStream))
{
// GZipStream is not sealed, and a derived type may have overridden WriteAsync(byte[], int, int) prior
// to this WriteAsync(ReadOnlyMemory<byte>) overload being introduced. In that case, this
// WriteAsync(ReadOnlyMemory<byte>) overload should use the behavior of Write(byte[],int,int) overload.
return(base.WriteAsync(source, cancellationToken));
}
else
{
CheckDeflateStream();
return(_deflateStream.WriteAsyncMemory(source, cancellationToken));
}
}