[Issue 7708] New: cannot implicitly assign delegate taking const to a delegate reference taking mutable

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7708

           Summary: cannot implicitly assign delegate taking const to a
                    delegate reference taking mutable
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: govellius at gmail.com


--- Comment #0 from Shahid <govellius at gmail.com> 2012-03-14 09:35:03 PDT ---
main()
{
    alias int delegate( const int[] ) A;
    alias int delegate(       int[] ) B;

    A a;
    B b = cast(B) a; // OK

    B b2 = a; // Error: cannot implicitly convert expression (a) of type
              // int delegate(const(int[])) to int delegate(int[])
}

I think the cast is unnecessary, (b) should be allowed to point to a delegate
of type (A) as well.

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