struct OSPACELIMITS
{
	double from;
	double to;
};

struct OSpaceLimits : public OSPACELIMITS
{
};

void test()
{
	OSPACELIMITS limits1;
	limits1.from = 11;	// from is underlined
	limits1.to   = 22;;	// to is underlined

	OSpaceLimits limits2;
	limits2.from = 3.14;	// from is underlined
	limits2.to   = 1.23;	// to is underlined
}