1e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 2e78f53d1SNikolas Klauser // 3e78f53d1SNikolas Klauser // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e78f53d1SNikolas Klauser // See https://llvm.org/LICENSE.txt for license information. 5e78f53d1SNikolas Klauser // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6e78f53d1SNikolas Klauser // 7e78f53d1SNikolas Klauser //===----------------------------------------------------------------------===// 8e78f53d1SNikolas Klauser 9*ce777190SNikolas Klauser #ifndef _LIBCPP___CXX03___RANDOM_IS_SEED_SEQUENCE_H 10*ce777190SNikolas Klauser #define _LIBCPP___CXX03___RANDOM_IS_SEED_SEQUENCE_H 11e78f53d1SNikolas Klauser 1273fbae83SNikolas Klauser #include <__cxx03/__config> 1373fbae83SNikolas Klauser #include <__cxx03/__type_traits/is_convertible.h> 1473fbae83SNikolas Klauser #include <__cxx03/__type_traits/is_same.h> 1573fbae83SNikolas Klauser #include <__cxx03/__type_traits/remove_cv.h> 16e78f53d1SNikolas Klauser 17e78f53d1SNikolas Klauser #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18e78f53d1SNikolas Klauser # pragma GCC system_header 19e78f53d1SNikolas Klauser #endif 20e78f53d1SNikolas Klauser 21e78f53d1SNikolas Klauser _LIBCPP_BEGIN_NAMESPACE_STD 22e78f53d1SNikolas Klauser 23e78f53d1SNikolas Klauser template <class _Sseq, class _Engine> 24e78f53d1SNikolas Klauser struct __is_seed_sequence { 25e78f53d1SNikolas Klauser static _LIBCPP_CONSTEXPR const bool value = 26e78f53d1SNikolas Klauser !is_convertible<_Sseq, typename _Engine::result_type>::value && !is_same<__remove_cv_t<_Sseq>, _Engine>::value; 27e78f53d1SNikolas Klauser }; 28e78f53d1SNikolas Klauser 29e78f53d1SNikolas Klauser _LIBCPP_END_NAMESPACE_STD 30e78f53d1SNikolas Klauser 31*ce777190SNikolas Klauser #endif // _LIBCPP___CXX03___RANDOM_IS_SEED_SEQUENCE_H 32