#include<iostream>
using namespace std;
class Test
{
protected:
int x;
public:
Test (int i):x(i) { }
void fun() const
{
cout << "fun() const called " << endl;
}
void fun()
{
cout << "fun() called " << endl;
}
};
int main()
{
Test t1 (10);
const Test t2 (20);
t1.fun();
t2.fun();
return 0;
}
#include<iostream>
using namespace std;
void fun(const int i)
{
cout << "fun(const int) called ";
}
void fun(int i)
{
cout << "fun(int ) called " ;
}
int main()
{
const int i = 10;
fun(i);
return 0;
}
void fun(int a)和 void fun(const int a);
#include<iostream>
using namespace std;
void fun(char *a)
{
cout << "non-const fun() " << a;
}
void fun(const char *a)
{
cout << "const fun() " << a;
}
int main()
{
const char *ptr = "hello world";
fun(ptr);
return 0;
}
#include<iostream>
using namespace std;
void fun(char *a)
{
cout << "non-const fun() " << a;
}
void fun(char * const a)
{
cout << "const fun() " << a;
}
int main()
{
char ptr[] = "hello world";
fun(ptr);
return 0;
}
#include<iostream>
using namespace std;
void fun(const int &i)
{
cout << "fun(const int &) called "<<endl;
}
void fun(int &i)
{
cout << "fun(int &) called "<<endl ;
}
int main()
{
const int i = 10;
fun(i);
return 0;
}
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