29 #ifndef _GLIBCXX_EXPERIMENTAL_TUPLE
30 #define _GLIBCXX_EXPERIMENTAL_TUPLE 1
32 #pragma GCC system_header
34 #if __cplusplus <= 201103L
40 namespace std _GLIBCXX_VISIBILITY(default)
42 namespace experimental
44 inline namespace fundamentals_v1
46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
49 template <
typename _Tp>
50 constexpr
size_t tuple_size_v = tuple_size<_Tp>::value;
52 #define __cpp_lib_experimental_tuple 201402
54 template <
typename _Fn,
typename _Tuple, std::size_t... _Idx>
55 constexpr decltype(
auto)
58 return std::forward<_Fn>(f)(std::get<_Idx>(std::forward<_Tuple>(t))...);
61 template <
typename _Fn,
typename _Tuple>
62 constexpr decltype(
auto)
63 apply(_Fn&& f, _Tuple&& t)
67 return __apply_impl(std::forward<_Fn>(f), std::forward<_Tuple>(t),
71 _GLIBCXX_END_NAMESPACE_VERSION
78 #endif // _GLIBCXX_EXPERIMENTAL_TUPLE
make_integer_sequence< size_t, _Num > make_index_sequence
Alias template make_index_sequence.
ISO C++ entities toplevel namespace is std.
integer_sequence< size_t, _Idx...> index_sequence
Alias template index_sequence.