14824e7fdSDimitry Andric //===----------------------------------------------------------------------===// 24824e7fdSDimitry Andric // 34824e7fdSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 44824e7fdSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 54824e7fdSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 64824e7fdSDimitry Andric // 74824e7fdSDimitry Andric //===----------------------------------------------------------------------===// 84824e7fdSDimitry Andric 94824e7fdSDimitry Andric #ifndef _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H 104824e7fdSDimitry Andric #define _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H 114824e7fdSDimitry Andric 124824e7fdSDimitry Andric #include <__config> 1306c3fb27SDimitry Andric #include <__type_traits/is_convertible.h> 1406c3fb27SDimitry Andric #include <__type_traits/is_same.h> 1506c3fb27SDimitry Andric #include <__type_traits/remove_cv.h> 164824e7fdSDimitry Andric 174824e7fdSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 184824e7fdSDimitry Andric # pragma GCC system_header 194824e7fdSDimitry Andric #endif 204824e7fdSDimitry Andric 214824e7fdSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 224824e7fdSDimitry Andric 234824e7fdSDimitry Andric template <class _Sseq, class _Engine> 24*cb14a3feSDimitry Andric struct __is_seed_sequence { 254824e7fdSDimitry Andric static _LIBCPP_CONSTEXPR const bool value = 26*cb14a3feSDimitry Andric !is_convertible<_Sseq, typename _Engine::result_type>::value && !is_same<__remove_cv_t<_Sseq>, _Engine>::value; 274824e7fdSDimitry Andric }; 284824e7fdSDimitry Andric 294824e7fdSDimitry Andric _LIBCPP_END_NAMESPACE_STD 304824e7fdSDimitry Andric 314824e7fdSDimitry Andric #endif // _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H 32