Remove more of the std::experimental bits that are now in std::. All the _v type aliases, conjunction/disjunction, apply, etc. See https://libcxx.llvm.org/TS_deprecation.html

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@324423 91177308-0d34-0410-b5e6-96231b3b80d8

include/experimental/tuple

@@ -8,75 +8,4 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef _LIBCPP_EXPERIMENTAL_TUPLE
-#define _LIBCPP_EXPERIMENTAL_TUPLE
-
-/*
-    experimental/tuple synopsis
-
-// C++1y
-
-#include <tuple>
-
-namespace std {
-namespace experimental {
-inline namespace fundamentals_v1 {
-
-  // See C++14 20.4.2.5, tuple helper classes
-  template <class T> constexpr size_t tuple_size_v
-    = tuple_size<T>::value;
-
-  // 3.2.2, Calling a function with a tuple of arguments
-  template <class F, class Tuple>
-  constexpr decltype(auto) apply(F&& f, Tuple&& t);
-
-} // namespace fundamentals_v1
-} // namespace experimental
-} // namespace std
-
- */
-
-# include <experimental/__config>
-
-#if _LIBCPP_STD_VER > 11
-
-# include <tuple>
-# include <utility>
-# include <__functional_base>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_LFTS
-
-#ifndef _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
-template <class _Tp>
-_LIBCPP_CONSTEXPR size_t tuple_size_v = tuple_size<_Tp>::value;
-#endif
-
-template <class _Fn, class _Tuple, size_t ..._Id>
-inline _LIBCPP_INLINE_VISIBILITY
-_LIBCPP_CONSTEXPR_AFTER_CXX11
-decltype(auto) __apply_tuple_impl(_Fn && __f, _Tuple && __t,
-                                  integer_sequence<size_t, _Id...>) {
-    return _VSTD::__invoke_constexpr(
-        _VSTD::forward<_Fn>(__f),
-        _VSTD::get<_Id>(_VSTD::forward<_Tuple>(__t))...
-    );
-}
-
-template <class _Fn, class _Tuple>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
-decltype(auto) apply(_Fn && __f, _Tuple && __t) {
-    return _VSTD_LFTS::__apply_tuple_impl(
-        _VSTD::forward<_Fn>(__f), _VSTD::forward<_Tuple>(__t),
-        make_index_sequence<tuple_size<typename decay<_Tuple>::type>::value>()
-    );
-}
-
-_LIBCPP_END_NAMESPACE_LFTS
-
-#endif /* _LIBCPP_STD_VER > 11 */
-
-#endif /* _LIBCPP_EXPERIMENTAL_TUPLE */
+#error "<experimental/tuple> has been removed. Use <tuple> instead."