28 lines
604 B
D
28 lines
604 B
D
module virtual_poly_runme;
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import virtual_poly.NDouble;
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import virtual_poly.NInt;
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import virtual_poly.NNumber;
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void main() {
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// D supports covariant (polymorphic) return types, so this should work like
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// in C++.
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auto d = new NDouble(3.5);
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NDouble dc = d.copy();
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if (d.get() != dc.get()) {
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throw new Exception("Test 1 failed.");
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}
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auto i = new NInt(2);
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NInt ic = i.copy();
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if (i.get() != ic.get()) {
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throw new Exception("Test 2 failed.");
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}
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NNumber n = d;
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auto nd = cast(NDouble) n.copy();
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if (nd.get() != d.get()) {
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throw new Exception("Test 3 failed.");
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}
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}
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