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43 lines
800 B
C++
43 lines
800 B
C++
An example that uses typeid for base and derived classes
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#include <iostream>
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#include <typeinfo>
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using namespace std;
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class BaseClass {
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virtual void f() {}; // make BaseClass polymorphic
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};
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class Derived1: public BaseClass {
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};
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class Derived2: public BaseClass {
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};
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int main()
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{
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int i;
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BaseClass *p, baseob;
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Derived1 object1;
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Derived2 object2;
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cout << "Typeid of i is ";
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cout << typeid(i).name() << endl;
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p = &baseob;
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cout << "p is pointing to an object of type ";
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cout << typeid(*p).name() << endl;
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p = &object1;
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cout << "p is pointing to an object of type ";
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cout << typeid(*p).name() << endl;
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p = &object2;
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cout << "p is pointing to an object of type ";
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cout << typeid(*p).name() << endl;
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return 0;
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}
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