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Bug 5742 – Delegate Covariance

Status: RESOLVED
Resolution: DUPLICATE
Severity: enhancement
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: Other
OS: Windows
Creation time: 2011-03-16T10:01:00Z
Last change time: 2011-03-16T10:08:31Z
Assigned to: nobody
Creator: dsimcha

Comments

Comment #0 by dsimcha — 2011-03-16T10:01:36Z

class A {} class B : A {} void main() { A delegate() foo; B delegate() bar; foo = bar; } Error: cannot implicitly convert expression (bar) of type B delegate() to A delegate() Is there any reason why this shouldn't work?

Comment #1 by schveiguy — 2011-03-16T10:08:31Z

*** This issue has been marked as a duplicate of issue 3180 ***