Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/g++.dg/ext/integer-pack3.C @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/g++.dg/ext/integer-pack3.C Thu Oct 25 07:37:49 2018 +0900 @@ -0,0 +1,21 @@ +// PR c++/85049 +// { dg-do compile { target c++11 } } + +typedef __SIZE_TYPE__ size_t; +template<typename _Tp, _Tp... _Idx> +struct integer_sequence +{ + typedef _Tp value_type; + static constexpr size_t size() noexcept { return sizeof...(_Idx); } +}; +template<typename _Tp, _Tp _Num> +using make_integer_sequence = integer_sequence<_Tp, __integer_pack(_Num)...>; +template<size_t _Num> +using make_index_sequence = make_integer_sequence<size_t, _Num>; +template<typename... _Types> +using index_sequence_for = make_index_sequence<sizeof...(_Types)>; +template <typename...> +struct tuple {}; +template <typename... Ts> +int get(tuple<index_sequence_for<Ts...>, Ts...>); +int x = get(tuple<index_sequence_for<>>{});