Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>

1 files changed, 0 insertions, 66 deletions

diff --git a/third_party/libcxx/include/c++/v1/__variant/monostate.h b/third_party/libcxx/include/c++/v1/__variant/monostate.h
deleted file mode 100644
index 3939e42..0000000
--- a/third_party/libcxx/include/c++/v1/__variant/monostate.h
+++ /dev/null
@@ -1,66 +0,0 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___VARIANT_MONOSTATE_H
-#define _LIBCPP___VARIANT_MONOSTATE_H
-
-#include <__compare/ordering.h>
-#include <__config>
-#include <__cstddef/size_t.h>
-#include <__functional/hash.h>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#  pragma GCC system_header
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-#if _LIBCPP_STD_VER >= 17
-
-struct monostate {};
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(monostate, monostate) noexcept { return true; }
-
-#  if _LIBCPP_STD_VER >= 20
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering operator<=>(monostate, monostate) noexcept {
-  return strong_ordering::equal;
-}
-
-#  else // _LIBCPP_STD_VER >= 20
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator!=(monostate, monostate) noexcept { return false; }
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator<(monostate, monostate) noexcept { return false; }
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator>(monostate, monostate) noexcept { return false; }
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator<=(monostate, monostate) noexcept { return true; }
-
-_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator>=(monostate, monostate) noexcept { return true; }
-
-#  endif // _LIBCPP_STD_VER >= 20
-
-template <>
-struct hash<monostate> {
-#  if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS)
-  using argument_type _LIBCPP_DEPRECATED_IN_CXX17 = monostate;
-  using result_type _LIBCPP_DEPRECATED_IN_CXX17   = size_t;
-#  endif
-
-  inline _LIBCPP_HIDE_FROM_ABI size_t operator()(const monostate&) const noexcept {
-    return 66740831; // return a fundamentally attractive random value.
-  }
-};
-
-#endif // _LIBCPP_STD_VER >= 17
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // _LIBCPP___VARIANT_MONOSTATE_H