30#ifndef _GLIBCXX_EXPERIMENTAL_TUPLE
31#define _GLIBCXX_EXPERIMENTAL_TUPLE 1
33#pragma GCC system_header
35#if __cplusplus >= 201402L
41namespace std _GLIBCXX_VISIBILITY(default)
43_GLIBCXX_BEGIN_NAMESPACE_VERSION
47inline namespace fundamentals_v1
50 template <
typename _Tp>
51 constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
53#define __cpp_lib_experimental_tuple 201402
55 template <
typename _Fn,
typename _Tuple, std::size_t... _Idx>
56 constexpr decltype(
auto)
60 std::get<_Idx>(std::forward<_Tuple>(__t))...);
63 template <
typename _Fn,
typename _Tuple>
64 constexpr decltype(
auto)
65 apply(_Fn&& __f, _Tuple&& __t)
69 return experimental::__apply_impl(std::forward<_Fn>(__f),
70 std::forward<_Tuple>(__t),
76_GLIBCXX_END_NAMESPACE_VERSION
constexpr __invoke_result< _Callable, _Args... >::type __invoke(_Callable &&__fn, _Args &&... __args) noexcept(__is_nothrow_invocable< _Callable, _Args... >::value)
Invoke a callable object.
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.