| //===----------------------------------------------------------------------===// | 
 | // | 
 | // 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___RANDOM_IS_SEED_SEQUENCE_H | 
 | #define _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H | 
 |  | 
 | #include <__config> | 
 | #include <type_traits> | 
 |  | 
 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
 | #  pragma GCC system_header | 
 | #endif | 
 |  | 
 | _LIBCPP_BEGIN_NAMESPACE_STD | 
 |  | 
 | template <class _Sseq, class _Engine> | 
 | struct __is_seed_sequence | 
 | { | 
 |     static _LIBCPP_CONSTEXPR const bool value = | 
 |               !is_convertible<_Sseq, typename _Engine::result_type>::value && | 
 |               !is_same<__remove_cv_t<_Sseq>, _Engine>::value; | 
 | }; | 
 |  | 
 | _LIBCPP_END_NAMESPACE_STD | 
 |  | 
 | #endif // _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H |