webkit-dev doesn't seem like an appropriate place to discuss this topic unless you have a specific WebKit patch or bug that relates this design question.
On Thu, Oct 11, 2012 at 1:19 PM, Siva B <[email protected]> wrote: > Hello, > > Have a design related question and hope to hear some insights. > > Interfaces using abstract classes impose restriction(s) on it's > derived implementations. > - The most widely used restriction is to IMPLEMENT Function(s) > > Question: > Is it permissible to have similar kind of restriction for any > data members in the interface? > In a way that if some one wants to implement the interface it also > must initialize certain variable. > > Ex: > > Say for a TCP/IP it absolutely necessary to have peer's IP address > and Port number. > So, is wise to impose a restriction to pass above variable to > initialize the class. > > class IP4Connection > { > public: > explicit IP4Connection( string ip, uint port); > virtual int send() = 0; > virtual int listen() = 0; > virtual int reconnect() = 0; > protected: > std::string ip; > uint port; > }; > > Thanks, > Siva. > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo/webkit-dev > >
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