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Mixins.cpp
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Mixins.cpp
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#include <string>
#include <ctime>
#include <iostream>
using namespace std;
template<class T> class TimeStamped : public T {
long TimeStamp;
public:
TimeStamped
{
TimeStamp = time(0);
}
long getStamp()
{
return timeStamp;
}
};
template<class T> class SerialNumbered : public T {
long serialNumber;
static long counter;
public:
SerialNumbered()
{
serialNumber = counter++;
}
long getSerialNumber()
{
return serialNumber;
}
};
// Define and initialize the static storage:
template<class T> long SerialNumbered<T>::counter = 1;
class Basic {
string value;
public:
void set(string val)
{
value = val;
}
string get()
{
return value;
}
};
int main() {
TimeStamped<SerialNumbered<Basic>> mixin1, mixin2;
mixin1.set("test string 1");
mixin2.set("test string 2");
cout << mixin1.get() << " " << mixin1.getStamp() << " " << mixin1.getSerialNumber() << endl;
cout << mixin2.get() << " " << mixin2.getStamp() << " " << mixin2.getSerialNumber() << endl;
} /* Output: (Sample)
test string 1 1129840250 1
test string 2 1129840250 2
*///:~