Acts/Surfaces/SurfaceVisitorConcept.hpp

0001 // This file is part of the Acts project.
0002 //
0003 // Copyright (C) 2023 CERN for the benefit of the Acts project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include <memory>
0012
0013 #if defined(__cpp_concepts)
0014 #include <concepts>
0015
0016 namespace Acts {
0017
0018 class Surface;
0019
0020 template <typename T>
0021 concept SurfaceVisitor = requires(T v) {
0022   {v(std::declval<const Surface*>())};
0023 };
0024
0025 template <typename T>
0026 concept MutableSurfaceVisitor = requires(T v) {
0027   {v(std::declval<Surface*>())};
0028 };
0029
0030 }  // namespace Acts
0031
0032 #endif