Using member initializers offers more control over what constructors do, and helps eliminate unnecessary default initialization. In C++, a constructor is a special class member function that provides ...

// unbalanced_binary_tree.h #ifndef UNBALANCED_BINARY_TREE_H #define UNBALANCED_BINARY_TREE_H // uncomment this line to enable move semantics; comment it to disable it. //#define MOVE_SEMANTICS ...