system_already_initialized_exception.h

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#ifndef SYSTEM_ALREADY_INITIALIZED_EXCEPTION_H
#define SYSTEM_ALREADY_INITIALIZED_EXCEPTION_H

#include <exception>

namespace Exceptions {
  class SystemAlreadyInitializedException : public std::exception {
    private:
      std::string system_name;
    public:
      SystemAlreadyInitializedException(std::string system_name) {
        this->system_name = system_name;
      }

      virtual const char* what() const throw() {
        return (this->system_name + std::string(" has already been initialized! Cannot reinitialize!")).c_str();
      }
  };
}

#endif