30#ifndef _GLIBCXX_EXPERIMENTAL_TUPLE
31#define _GLIBCXX_EXPERIMENTAL_TUPLE 1
34#pragma GCC system_header
39#if __cplusplus >= 201402L
45namespace std _GLIBCXX_VISIBILITY(default)
47_GLIBCXX_BEGIN_NAMESPACE_VERSION
51inline namespace fundamentals_v1
54 template <
typename _Tp>
55 constexpr size_t tuple_size_v = tuple_size<_Tp>::value;
57#define __cpp_lib_experimental_tuple 201402
59 template <
typename _Fn,
typename _Tuple, std::size_t... _Idx>
60 constexpr decltype(
auto)
67 template <
typename _Fn,
typename _Tuple>
68 constexpr decltype(
auto)
69 apply(_Fn&& __f, _Tuple&& __t)
80_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.
constexpr _Tp && forward(typename std::remove_reference< _Tp >::type &__t) noexcept
Forward an lvalue.
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.
Namespace for features defined in ISO Technical Specifications.