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1 // PR c++/81045
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2 // { dg-do compile { target c++14 } }
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3
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4 template<typename T> class vectorIterator;
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5
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6 template<typename T> class vector {
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7 public:
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8 auto get(unsigned int i) { return data[i]; }
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9
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10 auto begin() { return vectorIterator<T>{*this, 0}; }
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11 auto end() { return vectorIterator<T>{*this, 10}; }
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12
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13 private:
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14 T data[10] = {};
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15 };
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16
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17 template<typename T> class vectorIterator {
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18 public:
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19 vectorIterator(vector<T>& self, unsigned int offset) : self(self), offset(offset) {}
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20
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21 auto operator*() -> T& { return self.get(offset); }
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22 auto operator!=(const vectorIterator& source) -> bool { return offset != source.offset; }
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23 auto operator++() -> vectorIterator& { ++offset; return *this; }
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24
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25 private:
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26 vector<T>& self;
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27 unsigned int offset;
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28 };
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29
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30 class Object {
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31 public:
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32 template<typename T> auto cast() -> T {
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33 return T();
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34 }
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35 };
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36
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37 class Group : public Object {
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38 public:
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39 template<typename T = Object> auto objects() const -> void {
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40 vector<Object> easyObjects;
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41 for(auto obj : easyObjects) {
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42 auto casted = obj.cast<T>();
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43 }
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44 }
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45 };
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46
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47 int main() { return 0; }
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48
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