TypeConstant
virtual uint32 TypeConstant() const;
virtual uint32 TypeConstant() const = 0;
virtual uint32 TypeConstant() const;
if (baseType->TypeConstant() == B_UINT8_TYPE
|| baseType->TypeConstant() == B_INT8_TYPE)
valueType = baseType->TypeConstant();
type_code valueType = fType->TypeConstant();