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