private static error WriteByte(this blockWriter b, byte c)
{
if (b.e.err != null)
{
return(error.As(b.e.err) !);
}
// Append c to buffered sub-block.
b.e.buf[0L]++;
b.e.buf[b.e.buf[0L]] = c;
if (b.e.buf[0L] < 255L)
{
return(error.As(null !) !);
}
// Flush block
b.e.write(b.e.buf[..256L]);
private static error Flush(this blockWriter b)
{
return(error.As(b.e.err) !);
}
private static void setup(this blockWriter b)
{
b.e.buf[0L] = 0L;
}