Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/variadic4.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
line wrap: on
line source
// PR c++/73456 // { dg-do compile { target c++17_only } } // { dg-options "-fconcepts" } template<typename...> struct list {}; template<typename Seq> concept bool Sequence = true; template<Sequence... Seqs> // requires (Sequence<Seqs> && ...) struct zip; template<Sequence... Seqs> requires requires { typename list<Seqs...>; } // && (Sequence<Seqs> && ...) struct zip<Seqs...> {}; // { dg-error "does not specialize" } // The constraints of the specialization and the sequence are not // comparable; the specializations are unordered. int main() { zip<list<>, list<int>> {}; }