/Users/eddyxu/work/quiplib/ace/srcs/Command.h

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//-*- C++ -*-
//--------------------------------------------------------------
//---------------------------------------------------------------

#ifndef QLIB_ACE_COMMAND_H
#define QLIB_ACE_COMMAND_H

namespace qlib {
        
        namespace ace {

                template<
                        typename T,
                        typename R = int
                        >
                struct Command {
                        typedef T param_type;
                        typedef R return_type;
                        
                        virtual ~Command() {};
                        virtual R exec(void) = 0;
                        virtual R exec(T *) = 0;
                        virtual R operator()(void) { 
                                this->exec();
                        }
                        virtual R operator()(T *param) {
                                this->exec(param);
                        }
                };

        };// ace

}; // qlib


#endif /* QLIB_ACE_COMMAND_H */

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