29 #ifndef _GLIBCXX_EXPERIMENTAL_TUPLE 30 #define _GLIBCXX_EXPERIMENTAL_TUPLE 1 32 #pragma GCC system_header 34 #if __cplusplus <= 201103L 42 namespace std _GLIBCXX_VISIBILITY(default)
44 namespace experimental
46 inline namespace fundamentals_v1
48 _GLIBCXX_BEGIN_NAMESPACE_VERSION
51 template <
typename _Tp>
52 constexpr
size_t tuple_size_v = tuple_size<_Tp>::value;
54 #define __cpp_lib_experimental_tuple 201402 56 template <
typename _Fn,
typename _Tuple, std::size_t... _Idx>
57 constexpr decltype(
auto)
61 std::get<_Idx>(std::forward<_Tuple>(__t))...);
64 template <
typename _Fn,
typename _Tuple>
65 constexpr decltype(
auto)
66 apply(_Fn&& __f, _Tuple&& __t)
70 return experimental::__apply_impl(std::forward<_Fn>(__f),
71 std::forward<_Tuple>(__t),
75 _GLIBCXX_END_NAMESPACE_VERSION
82 #endif // _GLIBCXX_EXPERIMENTAL_TUPLE ISO C++ entities toplevel namespace is std.
make_integer_sequence< size_t, _Num > make_index_sequence
Alias template make_index_sequence.
integer_sequence< size_t, _Idx... > index_sequence
Alias template index_sequence.
constexpr result_of< _Callable &&(_Args &&...)>::type __invoke(_Callable &&__fn, _Args &&... __args) noexcept(__is_nothrow_callable< _Callable &&(_Args &&...)>::value)
Invoke a callable object.