23 lines
548 B
D
23 lines
548 B
D
module virtual_poly_runme;
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import std.exception;
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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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enforce(d.get() == dc.get(), "Test 1 failed.");
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auto i = new NInt(2);
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NInt ic = i.copy();
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enforce(i.get() == ic.get(), "Test 2 failed.");
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NNumber n = d;
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auto nd = cast(NDouble) n.copy();
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enforce(nd.get() == d.get(), "Test 3 failed.");
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}
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