Mercurial > projects > ldc
view tests/mini/interface8.d @ 1128:83ef1e7cde70
Return null from a static class to interface cast if the class reference was
null. Fixes #237.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Fri, 20 Mar 2009 15:50:01 +0100 |
parents | d92acb81a583 |
children |
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interface InputStream { void foo(); } interface OutputStream { void bar(); } interface IConduit : InputStream, OutputStream { abstract uint bufferSize(); } class Conduit : IConduit { abstract uint bufferSize(); abstract void foo(); abstract void bar(); } interface Selectable { void car(); } class DeviceConduit : Conduit, Selectable { override uint bufferSize () { return 1024 * 16; } override void foo() {} override void bar() {} override void car() {} int handle; } class ConsoleConduit : DeviceConduit { override void foo() {} bool redirected; } class OtherConduit : Conduit { abstract uint bufferSize(); override void foo() {} override void bar() {} } void main() { auto c = new ConsoleConduit; IConduit ci = c; assert(c.bufferSize == ci.bufferSize); }