[Issue 2539] New: Base class methods are not envolved in interface methods implementation resolution

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=2539

           Summary: Base class methods are not envolved in interface methods
                    implementation resolution
           Product: D
           Version: 2.022
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla at digitalmars.com
        ReportedBy: 2korden at gmail.com


Here is the code:

class A
{
    int b() { return 42; }
}

interface B
{
    int b();
}

class C : A, B
{
    // test.d(13): class test.C interface function B.b is not implemented
}

While it is usually not an issue, since you can simply add "int b() { return
super.b(); }" to class C, it is not in my case:

class A
{
    final int b() { return 42; } // note the 'final'
}

interface B
{
    int b();
}

class C : A, B
{
    int b() {
        return super.b();
    }
}

test.d(15): function test.C.b cannot override final function test.A.b

I believe this needs to be discussed.


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