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comparison gcc/testsuite/g++.dg/cpp0x/variadic180.C @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 // PR c++/94628
2 // A variant of variadic101.C where the recursive call to deref
3 // has its first template argument explicitly provided.
4 // { dg-do compile { target c++11 } }
5
6 template<class T>
7 struct Container
8 { T f() const; };
9
10 template<class T>
11 T deref(const T& t)
12 { return t; }
13
14
15 template <class T, class... Args>
16 auto
17 deref(const T& u, int r, Args... args)
18 -> decltype(deref(u.f(), args...))
19 { return deref<decltype(u.f())>(u.f(), args...); }
20
21 int main(void)
22 {
23 Container<Container<int>> v;
24 deref(v,1,2);
25 }