Class Template cont.

• Default type parameters.

  • template <class T1, class T2 = int>
  • class Topo { ... };

• Example instantiations.

  • Topo < double, double> m1;
  • // T1 is double, T2 is double
  • Topo < doulbe > m2;
  • // T1 is double, T2 is int