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11 Oct 2017 In the previous lesson on static member variables, you learned that static member Like static member variables, static member functions are not attached to any This is because non-static members must belong to a class object, and static 29 Oct 2012 either a member or as a non-friend non-member, you should prefer to When I wrote the first edition of Effective C++ in 1991, I examined Since then, I've been battling programmers who've taken to heart the lesson that be-. Which is preferred for something like this in general? class person { //no member variables public : bool ifTooYoung() { bool check; member of that class. In all other regards, the friend function is just like a normal function. This is because reset() is not a member function. It does not have a I was recently re-reading Effective C++ by Scott Meyers and I noticed one item that seems very strange to me upon examination: Item 23: Prefer 19 Nov 2011 For instance vector class does not have a sort function and one uses the stl sort function so that is not a member of the vector class. But one could also stretch the same reasoning to some other functions in vector class such as assign so that could also not be implemented as a member but as a convenience function. See the book Exceptional C++ Style (Addison-Wesley, 2004) for the most Guideline: Where possible, prefer writing functions as nonmember nonfriends.14 Oct 2017 Second approach is better, because it provides better encapsulation. The more public methods which can access private data, the worse 1 Feb 2000 When it comes to encapsulation, sometimes less is more. I'll start with the punchline: If you're writing a function that can be implemented as either a member or as a non-friend non-member, you should prefer to implement it as a non-member function. That decision increases class encapsulation.