public async ValueTask <SignatureOptions> ReadHeader(CancellationToken ct)
{
var header = await _reader.Read <SignatureHeader>(ct).ConfigureAwait(false) ??
throw new FormatException($"expected {nameof(SignatureHeader)}; got EOF");
return(header.Options);
}
private async ValueTask ReadHeader(CancellationToken ct)
{
var header = await _reader.Read <DeltaHeader>(ct).ConfigureAwait(false);
if (!header.HasValue)
{
throw new FormatException("failed to read delta header");
}
}