/*
  SetException.H
  Definition of exception for use with Sets
  Mitch Edelman
  Created:  31 August 2000
  Current: 2 September 2000
*/

#ifndef SETEXCEPTION_H
#define SETEXCEPTION_H

#include "string.H"

// SetException class
// An exception for use with Sets.
// The exception holds an associated error message
// that can be retrieved by the method errorMsg.
class SetException
{
 public:
  // Constructor of no arguments
  // Produces empty message
  SetException();

  // Constructor
  // Param errorMsg is the associated message
  SetException(const string & errorMsg);

  // Copy constructor
  // se is the SetException to be copied
  SetException(const SetException & se);

  // Destructor
  ~SetException();

  // Assignment operator
  // se is the SetException to be assigned (the rhs)
  const SetException & operator=(const SetException & se);

  // errorMsg
  // Accessor for the associated message
  // Returns the associated message
  const string & errorMsg() const;

 private:
  string _msg;
};

#endif