小编Nee*_*n K的帖子

#include <iostream>
#include <string>

using namespace std;

template<class T> class Sample {
private:
 T val;
public:
 Sample(T InitialVal=T()) : val(InitialVal)
 {
    // do nothing
 }
 ~Sample() 
 {
    // do nothing
 }
 void PrintVal(void)
 {
     try {
    cout << "[" << val << "]" << endl;
     } catch(...) {
        cout << "exception thrown" << endl;
     }
 }
};

int main() {
    // your code goes here
    Sample<int> ints(20), intd;
    Sample<char *> chars(const_cast<char*>("Neelakantan")), charsd;
    Sample<string> s, ss("neel");

    ints.PrintVal();
    intd.PrintVal();

    chars.PrintVal();
    charsd.PrintVal(); // …