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comparison gcc/testsuite/g++.dg/cpp2a/concepts-return-req1.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/92268
2 // { dg-do compile { target c++2a } }
3
4 template <class T> concept Two = true;
5 template <class T> concept One = Two<typename T::type>;
6 template <class T> concept Zero = requires
7 {
8 { T() } -> One;
9 };
10
11 template <class T>
12 void f() requires Zero<T>;
13 template <class T>
14 int f(...);
15
16 int main()
17 {
18 f<int>();
19 }