Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/g++.dg/concepts/placeholder4.C @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 // PR c++/66218 | |
| 2 // { dg-options "-std=c++17 -fconcepts" } | |
| 3 | |
| 4 template <class T, class U> | |
| 5 concept bool Same = __is_same_as(T, U); | |
| 6 | |
| 7 template <class T> | |
| 8 concept bool C = | |
| 9 requires { | |
| 10 { 0 } -> Same<T>; | |
| 11 }; | |
| 12 | |
| 13 template <class T> | |
| 14 struct A { | |
| 15 template <T t, C c> | |
| 16 constexpr static bool f() { return true; } | |
| 17 }; | |
| 18 | |
| 19 static_assert(A<int>::f<1,double>(), ""); // { dg-error "" } | |
| 20 static_assert(A<char>::f<'a',int>(), ""); |