Class member calls function template with callback function?

In C++ you cannot initialize class-members in-place. You need to do that in the constructor initializer list.

In C++ you cannot initialize class-members in-place. You need to do that in the constructor initializer list class Game { public: Game():list(highScore) {}; ~Game() {}; //compare function static int highScore(Player one, Player two); private: SortedList list; }; The function needs to be declared as static in the class definition as SortedList calls it without a *this pointer, like an ordinary function. Performance is really unnecessary bad of the comparison function because you always copy the two items to be compared when passing them as arguments.

Better make the comparison function's type to receive const-references and change highScore's signature appropriately int (*compare)(ElemType const& a, ElemType const& b).

. In C++, it would probably be more common to use std::sort or std::stable_sort, and use predicates that determine "less-than" relationship (bool compare_scores(const Player& a, const Player& b) { return a. Score topten() ... I can't use the constructor, because topten is not a member.

– Luciano Jun 21 '10 at 15:07.

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