Exception.h

#ifndef _Belle2_Exception_hh
#define _Belle2_Exception_hh
 
#include <exception>
#include <string>
 
namespace Belle2 {
  class Exception : public std::exception {
 
  public:
    Exception();
    Exception(const std::string&);
    Exception(const std::string&, int err);
#if __GNUC__ >= 7
    virtual ~Exception() {}
#else
    virtual ~Exception() throw() {}
#endif
 
  public:
#if __GNUC__ >= 7
    virtual const char* what() const noexcept;
#else
    virtual const char* what() const throw();
#endif
    int err() const { return m_err; }
 
  protected:
    std::string m_comment;
    int m_err;
 
  };
 
}
 
#endif