http://d.puremagic.com/issues/show_bug.cgi?id=9770

           Summary: Remove opCmp from Object
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: druntime
        AssignedTo: nobody@puremagic.com
        ReportedBy: jmdavisProg@gmx.com


--- Comment #0 from Jonathan M Davis <jmdavisProg@gmx.com> 2013-03-21 00:03:15 PDT ---
Per this thread http://forum.dlang.org/post/jtlj1k$1fdj$1@digitalmars.com , it was decided to try and go the path of removing opEquals, opCmp, toHash, and toString from Object, as they don't need to be there, and the fact that they're there is causing issues with attributes such as const ( issue# 1824 ).

This issue is specifically for opCmp so that any work towards making it unnecessary and removing it can be referenced here, whereas the other 3 have separate bugzilla entries, as the work for them isn't necessarily related to each other. opEquals, opCmp, and toHash in particular may require substantial work to be done on the built-in AAs before they can actually be removed from Object, as the AA implementation is not currently templated like it should be.

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--- Comment #1 from Jonathan M Davis <jmdavisProg@gmx.com> 2013-03-21 00:05:48 PDT ---
Related:

opEquals: issue# 9769
toHash: issue# 9771
toString: issue# 9772

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--- Comment #2 from Jonathan M Davis <jmdavisProg@gmx.com> 2013-10-13 16:17:23 PDT ---
Relevant discussion on how to transition away from having these functions on Object (the thread got broken up a bit - probably by the mailman bug):

http://forum.dlang.org/post/mailman.214.1369617617.13711.digitalmars-d@puremagic.com http://forum.dlang.org/post/mailman.280.1369712394.13711.digitalmars-d@puremagic.com

The key suggestion is to change the compiler so that those 4 functions can be free functions in object_.d, similar to how the compiler already does special stuff for == rather than simply calling Object's opEquals.

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