1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H
10#define _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H
11
12#include <__config>
13#include <__type_traits/is_convertible.h>
14#include <__type_traits/is_same.h>
15#include <__type_traits/remove_cv.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23template <class _Sseq, class _Engine>
24struct __is_seed_sequence {
25 static _LIBCPP_CONSTEXPR const bool value =
26 !is_convertible<_Sseq, typename _Engine::result_type>::value && !is_same<__remove_cv_t<_Sseq>, _Engine>::value;
27};
28
29_LIBCPP_END_NAMESPACE_STD
30
31#endif // _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H
32