/trunk/Examples/test-suite/d/virtual_poly_runme.2.d
D | 22 lines | 16 code | 4 blank | 2 comment | 3 complexity | e1f638fe7585caf2eb26b7c97bd0daa6 MD5 | raw file
Possible License(s): LGPL-2.1, Cube, GPL-3.0, 0BSD, GPL-2.0
- module virtual_poly_runme;
- import std.exception;
- import virtual_poly.NDouble;
- import virtual_poly.NInt;
- import virtual_poly.NNumber;
- void main() {
- // D supports covariant (polymorphic) return types, so this should work like
- // in C++.
- auto d = new NDouble(3.5);
- NDouble dc = d.copy();
- enforce(d.get() == dc.get(), "Test 1 failed.");
- auto i = new NInt(2);
- NInt ic = i.copy();
- enforce(i.get() == ic.get(), "Test 2 failed.");
- NNumber n = d;
- auto nd = cast(NDouble) n.copy();
- enforce(nd.get() == d.get(), "Test 3 failed.");
- }