• d-bugmail puremagic.com (49/49) Aug 05 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4589

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=4589

           Summary: comparing two arrays of interfaces for equality
                    segfaults
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: schveiguy yahoo.com



10:50:34 PDT ---
Example case:

interface I
{
}

class C: I
{
    this(int x)
    {
        this.x = x;
    }
    int x;

    override bool opEquals(Object o)
    {
        if(auto c = cast(C)o)
        {
            return c.x == x;
        }
        return false;
    }
}

void main()
{
    I[] arr;
    I[] arr2;
    arr ~= new C(1);
    arr2 ~= new C(1);
    assert(arr == arr2);
}

Note, the opEquals isn't important, but I also want to ensure that after the
segfault is removed the correct thing is done.  Currently comparing two
interfaces for equality does not work.

I'm unsure whether this is a druntime or a dmd problem.

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