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1 // PR c++/94628
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2 // A variant of variadic101.C where the recursive call to deref
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3 // has its first template argument explicitly provided.
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4 // { dg-do compile { target c++11 } }
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5
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6 template<class T>
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7 struct Container
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8 { T f() const; };
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9
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10 template<class T>
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11 T deref(const T& t)
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12 { return t; }
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13
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14
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15 template <class T, class... Args>
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16 auto
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17 deref(const T& u, int r, Args... args)
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18 -> decltype(deref(u.f(), args...))
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19 { return deref<decltype(u.f())>(u.f(), args...); }
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20
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21 int main(void)
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22 {
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23 Container<Container<int>> v;
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24 deref(v,1,2);
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25 }
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