STL容器之List：splice
//splice
// merge two lists
#include <iostream>
#include <list>
#include <algorithm>
#include <iterator>
using namespace std;
template <class T>
class Print
{
public:
void operator () (T& t)
{
cout << t << " ";
}
};
//====================================
int main ()
{
list<int> li1, li2, li3, li4;
Print<int> print;
for ( int i=0; i<5; i++ )
{
li1.push_back(i);
li2.push_back(i+5);
li3.push_back(i+10);
li4.push_back(i+15);
}
cout << "li1 : ";
for_each(li1.begin(),li1.end(),print);
cout << endl;
cout << "li2 : ";
for_each(li2.begin(),li2.end(),print);
cout << endl;
cout << "li3 : ";
for_each(li3.begin(),li3.end(),print);
cout << endl;
cout << "li4 : ";
for_each(li4.begin(),li4.end(),print);
cout << endl << endl;
li1.splice(li1.end(),li2);
cout << "li1 : ";
for_each(li1.begin(),li1.end(),print);
cout << endl << endl;
li1.splice(li1.end(),li3,li3.begin(),li3.end());
cout << "li1 : ";
for_each(li1.begin(),li1.end(),print);
cout << endl << endl;
list<int>::iterator It;
It = find(li4.begin(),li4.end(),18);
li1.splice(li1.begin(),li4,It);
cout << "li1 : ";
for_each(li1.begin(),li1.end(),print);
cout << endl;
cout << "li4 : ";
for_each(li4.begin(),li4.end(),print);
cout << endl;
return 0;
}
//OUTPUT:
// li1 : 0 1 2 3 4
// li2 : 5 6 7 8 9
// li3 : 10 11 12 13 14
// li4 : 15 16 17 18 19
//
// li1 : 0 1 2 3 4 5 6 7 8 9
//
// li1 : 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
//
// li1 : 18 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
// li4 : 15 16 17 19
