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1 // PR c++/61647
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2
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3 class XX;
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4
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5 template<typename Container, typename Key>
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6 struct Accessor;
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7
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8 template<typename Container, typename Key, typename KeyStore = Key>
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9 class Variant {
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10 protected:
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11 KeyStore index;
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12 Container state;
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13 public:
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14 Variant(Container st, const Key& i) : index(i), state(st) {}
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15
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16 template<typename T>
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17 operator T() const {
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18 return Accessor<Container, KeyStore>::template get<T>(state, index);
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19 }
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20 };
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21
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22 class AutoCleanVariant : public Variant<XX*, int> {
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23 public:
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24 AutoCleanVariant(XX* st, int i) : Variant<XX*,int>(st,i) {}
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25
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26 template<typename T>
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27 operator T() const {
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28 return Variant<XX*, int>::operator T();
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29 }
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30 };
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