/// <remarks>Used for indexes which *are not* typically NONE (-1)</remarks>
public static void StreamIndexPos(this IO.BitStream s, ref int value, int bitCount = Bits.kInt32BitCount)
{
Contract.Requires(bitCount <= Bits.kInt32BitCount);
if (s.IsReading)
{
bool not_none = s.ReadBoolean();
if (not_none)
{
s.Read(out value, bitCount);
}
else
{
value = TypeExtensions.kNone;
}
}
else if (s.IsWriting)
{
bool not_none = value.IsNotNone();
s.Write(not_none);
if (not_none)
{
s.Write(value, bitCount);
}
}
}