STL 之 find find_if

函数对象：

struct fff

{

fff(int find_value = 0):gid(find_value){}

bool   operator()(const AvaGroup& lhs)   

{

return   lhs.gid == gid;

}   

private:

int gid;

};

result = find_if(groupTable.begin(),groupTable.end(),fff(index->gid));