小编nia*_*r_q的帖子

list.h

class Link {
public:
    string value;
    Link(const string& v, Link* p = 0, Link * s = 0):
        value(v), prev(p), succ(s) {}
    Link* insert(Link* n);              // insert n before this object
    Link* add(Link* n);                 // insert n after this object
    Link* erase();                      // remove this object from list
    Link* find(const string& s);        // find s in list
    Link* const find(const string& s) const;                       
    Link* advance(int n) ;                // get the nth successor 

    Link* next() const { return succ; } …