43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
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// tempmemb.cpp -- template members
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#include <iostream>
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using std::cout;
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using std::endl;
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template <typename T>
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class beta
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{
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private:
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template <typename V> // nested template class member
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class hold
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{
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private:
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V val;
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public:
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hold(V v = 0) : val(v) {}
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void show() const { cout << val << endl; }
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V Value() const { return val; }
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};
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hold<T> q; // template object
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hold<int> n; // template object
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public:
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beta( T t, int i) : q(t), n(i) {}
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template<typename U> // template method
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U blab(U u, T t) { return (n.Value() + q.Value()) * u / t; }
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void Show() const { q.show(); n.show();}
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};
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int main()
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{
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beta<double> guy(3.5, 3);
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cout << "T was set to double\n";
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guy.Show();
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cout << "V was set to T, which is double, then V was set to int\n";
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cout << guy.blab(10, 2.3) << endl;
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cout << "U was set to int\n";
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cout << guy.blab(10.0, 2.3) << endl;
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cout << "U was set to double\n";
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cout << "Done\n";
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// std::cin.get();
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return 0;
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}
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