From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: * X-Spam-Status: No, score=1.6 required=5.0 tests=BAYES_05,INVALID_MSGID, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 109fba,b87849933931bc93 X-Google-Attributes: gid109fba,public X-Google-Thread: fac41,b87849933931bc93 X-Google-Attributes: gidfac41,public X-Google-Thread: 1108a1,b87849933931bc93 X-Google-Attributes: gid1108a1,public X-Google-Thread: 103376,b87849933931bc93 X-Google-Attributes: gid103376,public X-Google-Thread: f43e6,b87849933931bc93 X-Google-Attributes: gidf43e6,public X-Google-Thread: 114809,b87849933931bc93 X-Google-Attributes: gid114809,public From: Aaron J Margosis Subject: Re: C++ Class Date: 1997/02/12 Message-ID: <3301E7FB.6964@lccinc.com>#1/1 X-Deja-AN: 218330374 References: <33018394.1718@scf.usc.edu> Content-Type: text/plain; charset=us-ascii Organization: LCC, L.L.C. Mime-Version: 1.0 Reply-To: margosis@lccinc.com Newsgroups: comp.lang.c++,comp.lang.smalltalk,comp.lang.eiffel,comp.lang.ada,comp.object,comp.software-eng X-Mailer: Mozilla 3.01 (WinNT; I) Date: 1997-02-12T00:00:00+00:00 List-Id: Make it an abstract class, using pure virtual functions. Loc Minh Phan Van wrote: > Is there anyway that we can Define a class that can not be instantiated > in any way by the user (that is, you can not have objects of that type), > but it can be used as a base class. > > If so please give me a little example. -- Aaron --------------------------------- Aaron J Margosis Work e-mail: margosis@lccinc.com Work phone: 703-516-6727 Personal: Aaron_Margosis@compuserve.com