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template <class T, int... Args> struct C {
T member;
bool argsAre_16_32() { return false; }
};
template <> struct C<int, 16> {
int member;
bool argsAre_16_32() { return false; }
};
template <> struct C<int, 16, 32> : C<int, 16> {
bool argsAre_16_32() { return true; }
};
template <class T, typename... Args> struct D {
T member;
bool argsAre_Int_bool() { return false; }
};
template <> struct D<int, int> {
int member;
bool argsAre_Int_bool() { return false; }
};
template <> struct D<int, int, bool> : D<int, int> {
bool argsAre_Int_bool() { return true; }
};
template <typename... Args> struct OnlyPack {};
template <typename T, typename... Args> struct EmptyPack {};
int main(int argc, char const *argv[]) {
EmptyPack<int> emptyPack;
OnlyPack<int, char, double, D<int, int, bool>> onlyPack;
C<int, 16, 32> myC;
C<int, 16> myLesserC;
myC.member = 64;
(void)C<int, 16, 32>().argsAre_16_32();
(void)C<int, 16>().argsAre_16_32();
(void)(myC.member != 64);
D<int, int, bool> myD;
D<int, int> myLesserD; // breakpoint here
myD.member = 64;
(void)D<int, int, bool>().argsAre_Int_bool();
(void)D<int, int>().argsAre_Int_bool();
return 0; // break here
}
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