[Issue 205] Covariant return types don't work with forward-referenced types
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Mon Jun 19 08:32:17 PDT 2006
http://d.puremagic.com/issues/show_bug.cgi?id=205
smjg at iname.com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |smjg at iname.com
Summary|Covariant return types don't|Covariant return types don't
|work properly |work with forward-referenced
| |types
------- Comment #1 from smjg at iname.com 2006-06-19 10:32 -------
(In reply to comment #0)
> If your interface has a method whose return type is another interface,
> covariance won't work.
Actually, the failure of your code has nothing to do with the fact that they're
interfaces. It's a case of a bug I've noticed before, whereby covariance fails
if the return type is forward referenced.
For a real instance of what you've written in your first sentence, see issue
210.
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