template function in c 2b 2b

1template <class T>
2void swap(T & lhs, T & rhs)
3{
4 T tmp = lhs;
5 lhs = rhs;
6 rhs = tmp;
7}

1template <class T>
2void swap(T & lhs, T & rhs)
3{
4 T tmp = lhs;
5 lhs = rhs;
6 rhs = tmp;
7}
8
9void main()
10{
11  int a = 6;
12  int b = 42;
13  swap<int>(a, b);
14  printf("a=%d, b=%d\n", a, b);
15  
16  // Implicit template parameter deduction
17  double f = 5.5;
18  double g = 42.0;
19  swap(f, g);
20  printf("f=%f, g=%f\n", f, g);
21}
22
23/*
24Output:
25a=42, b=6
26f=42.0, g=5.5
27*/

1#include <iostream>
2using namespace std;
3
4template <typename T>
5void Swap(T &n1, T &n2)
6{
7	T temp;
8	temp = n1;
9	n1 = n2;
10	n2 = temp;
11}
12
13int main()
14{
15	int i1 = 1, i2 = 2;
16	float f1 = 1.1, f2 = 2.2;
17	char c1 = 'a', c2 = 'b';
18
19	cout << "Before passing data to function template.\n";
20	cout << "i1 = " << i1 << "\ni2 = " << i2;
21	cout << "\nf1 = " << f1 << "\nf2 = " << f2;
22	cout << "\nc1 = " << c1 << "\nc2 = " << c2;
23
24	Swap(i1, i2);
25	Swap(f1, f2);
26	Swap(c1, c2);
27
28        cout << "\n\nAfter passing data to function template.\n";
29	cout << "i1 = " << i1 << "\ni2 = " << i2;
30	cout << "\nf1 = " << f1 << "\nf2 = " << f2;
31	cout << "\nc1 = " << c1 << "\nc2 = " << c2;
32
33	return 0;
34}
35

1template <typename T>
2void Swap(T &n1, T &n2)
3{
4	T temp;
5	temp = n1;
6	n1 = n2;
7	n2 = temp;
8}

1template class  Graph<string>;

1// template specialization
2#include <iostream>
3using namespace std;
4
5// class template:
6template <class T>
7class mycontainer {
8    T element;
9  public:
10    mycontainer (T arg) {element=arg;}
11    T increase () {return ++element;}
12};
13
14// class template specialization:
15template <>
16class mycontainer <char> {
17    char element;
18  public:
19    mycontainer (char arg) {element=arg;}
20    char uppercase ()
21    {
22      if ((element>='a')&&(element<='z'))
23      element+='A'-'a';
24      return element;
25    }
26};
27
28int main () {
29  mycontainer<int> myint (7);
30  mycontainer<char> mychar ('j');
31  cout << myint.increase() << endl;
32  cout << mychar.uppercase() << endl;
33  return 0;
34}