Thread overview
[Issue 7208] New: Unique arrays should be covariant
Jan 03, 2012
timon.gehr@gmx.ch
Jan 03, 2012
Jonathan M Davis
Jan 03, 2012
timon.gehr@gmx.ch
Jan 19, 2012
timon.gehr@gmx.ch
January 03, 2012
http://d.puremagic.com/issues/show_bug.cgi?id=7208

           Summary: Unique arrays should be covariant
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: timon.gehr@gmx.ch


--- Comment #0 from timon.gehr@gmx.ch 2012-01-02 22:02:21 PST ---
class A{}
void foo(Object[]){}
A[] bar()pure{return new A[16];}

void main(){
    foo([new A]);   // error
    foo(new A[16]); // error
    foo(bar());     // error
}

The code should compile.

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Jonathan M Davis <jmdavisProg@gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jmdavisProg@gmx.com


--- Comment #1 from Jonathan M Davis <jmdavisProg@gmx.com> 2012-01-02 22:12:49 PST ---
Wouldn't this just reintroduce bug# 2095?

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--- Comment #2 from timon.gehr@gmx.ch 2012-01-02 22:14:18 PST ---
No. There is no issue if the array is provable unique.

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--- Comment #3 from timon.gehr@gmx.ch 2012-01-19 02:02:05 PST ---
foo([new A]) seems to work now with DMD 2.057.

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