C / C++ / MFC

import std.core;
using namespace std;

class cBASE {};
struct cDERIVED : public cBASE
{
	template<typename T> requires is_base_of_v<cBASE, cDERIVED> // will not compile
	class someClass {};
	someClass<cDERIVED> someData;
	constexpr bool TEST_is_base_of() { return is_base_of_v<cBASE, cDERIVED>; } // will compile and return true
};

int main()
{
	cout << "Hello World\n";
	cout << boolalpha;

	cDERIVED _derived;
	cout << _derived.TEST_is_base_of();
}

typedef struct {
    int s1;
    int s2;
    int s3
}strTst;

strTst spst1 = {3,5,7};

strTst spst2 = {1,2,4};

strTst *Sp1[2] =
{
    &spst1, 
    &spst2
};

strTst *pt = &Sp1;