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501e3f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | // -*- 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCUDACXX___ITERATOR_EMPTY_H
#define _LIBCUDACXX___ITERATOR_EMPTY_H
#ifndef __cuda_std__
#include <__config>
#endif // __cuda_std__
#include "../cstddef"
#include "../initializer_list"
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
_LIBCUDACXX_BEGIN_NAMESPACE_STD
#if _LIBCUDACXX_STD_VER > 11
template <class _Cont>
_LIBCUDACXX_NODISCARD_AFTER_CXX17 _LIBCUDACXX_INLINE_VISIBILITY
constexpr auto empty(const _Cont& __c)
noexcept(noexcept(__c.empty()))
-> decltype (__c.empty())
{ return __c.empty(); }
template <class _Tp, size_t _Sz>
_LIBCUDACXX_NODISCARD_AFTER_CXX17 _LIBCUDACXX_INLINE_VISIBILITY
constexpr bool empty(const _Tp (&)[_Sz]) noexcept { return false; }
template <class _Ep>
_LIBCUDACXX_NODISCARD_AFTER_CXX17 _LIBCUDACXX_INLINE_VISIBILITY
constexpr bool empty(initializer_list<_Ep> __il) noexcept { return __il.size() == 0; }
#endif // _LIBCUDACXX_STD_VER > 17
_LIBCUDACXX_END_NAMESPACE_STD
#endif // _LIBCUDACXX___ITERATOR_EMPTY_H
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