text: // The MIT License (MIT)
  //
  // Copyright (c) 2014-2018, Institute for Software & Systems Engineering
  // Copyright (c) 2018, Johannes Leupolz
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  
  #ifndef PEMC_CPP_CPP_FORMULA_H_
  #define PEMC_CPP_CPP_FORMULA_H_
  
  #include <functional>
  
  #include <pemc/formula/adapted_formula.h>
  
  #include "pemc_cpp/cpp_model.h"
  
  namespace pemc { namespace cpp {
  
    using namespace pemc;
  
    // such formulas should be static in the model classes
    class CppFormula : public AdaptedFormula {
    private:
      std::function<bool(CppModel*)> evaluator;
    public:
      CppFormula(const std::function<bool(CppModel*)>& _evaluator,
        const std::string& _identifier = "");
      virtual ~CppFormula() = default;
  
      std::function<bool(CppModel*)> getEvaluator();
    };
  
  } }
  #endif  // PEMC_CPP_CPP_FORMULA_H_
  