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File indexing completed on 2025-01-18 09:54:49
0001 //----------------------------------*-C++-*----------------------------------// 0002 // Copyright 2023-2024 UT-Battelle, LLC, and other Celeritas developers. 0003 // See the top-level COPYRIGHT file for details. 0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0005 //---------------------------------------------------------------------------// 0006 //! \file corecel/sys/detail/ActionRegistryImpl.hh 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <type_traits> 0011 0012 namespace celeritas 0013 { 0014 //---------------------------------------------------------------------------// 0015 class ActionInterface; 0016 0017 namespace detail 0018 { 0019 //---------------------------------------------------------------------------// 0020 //! Traits class for differentiating const from mutable actions. 0021 template<class T, class = void> 0022 struct ActionSpTraits 0023 { 0024 static constexpr bool is_const_action = false; 0025 static constexpr bool is_mutable_action = false; 0026 }; 0027 template<class T> 0028 struct ActionSpTraits<T, std::enable_if_t<std::is_base_of_v<ActionInterface, T>>> 0029 { 0030 static constexpr bool is_const_action = std::is_const_v<T>; 0031 static constexpr bool is_mutable_action = !is_const_action; 0032 }; 0033 0034 //---------------------------------------------------------------------------// 0035 //! True if T is a const class inheriting from ActionInterface. 0036 template<class T> 0037 inline constexpr bool is_const_action_v = ActionSpTraits<T>::is_const_action; 0038 0039 //---------------------------------------------------------------------------// 0040 //! True if T is a mutable class inheriting from ActionInterface. 0041 template<class T> 0042 inline constexpr bool is_mutable_action_v 0043 = ActionSpTraits<T>::is_mutable_action; 0044 0045 //---------------------------------------------------------------------------// 0046 } // namespace detail 0047 } // namespace celeritas
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