• d-bugmail puremagic.com (22/22) Jan 21 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5471
• d-bugmail puremagic.com (13/13) Jun 15 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5471

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5471

           Summary: Delegates with qualified value params can't be
                    implicitly cast
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: eatingstaples gmail.com



Created an attachment (id=873)
Code demonstrating the problem.

Delegates with value-type parameters which are qualified with things like const
or immutable can't be cast to delegates which have the same parameters, but
differently-qualified. Function pointers do not have this problem.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5471


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |yebblies gmail.com
         Resolution|                            |DUPLICATE



This is delegate contravariance, and is not going to happen.

*** This issue has been marked as a duplicate of issue 3075 ***

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