The object would have to define a shared opEquals. On Oct 1, 2010, at 1:36 AM, Jacob Carlborg wrote:
> Would Object be any usable without shared qualifiers? Would you be able to > compare two objects if the opEquals method doesn't accept shared parameters? > > /Jacob Carlborg > > On 1 okt 2010, at 01:50, Sean Kelly wrote: > >> I've been thinking about this and realized that shared shouldn't be applied >> to any of the methods in Object--only const. That I ran into this at all was >> the result of a contrivance rather than a realistic scenario. I think >> Variant will need a fix to handle the toString issue, but that's all. >> >> Sent from my iPhone >> >> On Sep 30, 2010, at 3:50 PM, Sean Kelly <[email protected]> wrote: >> >>> Here's the test case: >>> >>> auto e = new shared(Exception)("hi"); >>> writeln(e); >>> >>> and the error: >>> >>> std/format.d(1293): Error: function object.Throwable.toString () is not >>> callable using argument types () >>> >>> I'm guessing this is because toString() isn't a shared method. >>> Interestingly, also means that it isn't possible to put a shared class into >>> a Variant, since it provides a toString method. So I guess it's becoming >>> pretty important to sort out the qualifiers for Object methods. I'd >>> considered providing both a shared and unshared toString (and others), but >>> then child classes defining only one get compile errors about hiding the >>> method in question. It doesn't seem reasonable to expect people to supply >>> both, and I don't believe inout works for the hidden "this" parameter, >>> so... ideas? I don't know that we can provide only a shared version of >>> these methods because they may reference non-shared static data so I'm at a >>> bit of a loss for what to do. >>> _______________________________________________ >>> phobos mailing list >>> [email protected] >>> http://lists.puremagic.com/mailman/listinfo/phobos >> _______________________________________________ >> phobos mailing list >> [email protected] >> http://lists.puremagic.com/mailman/listinfo/phobos > > -- > /Jacob Carlborg > > _______________________________________________ > phobos mailing list > [email protected] > http://lists.puremagic.com/mailman/listinfo/phobos _______________________________________________ phobos mailing list [email protected] http://lists.puremagic.com/mailman/listinfo/phobos
