When you reload a namespace with a record, the class for that record gets
recreated.  It will be functionally equivalent, but a different object.
I'll bet that classes hash on identity.  (Though if they hashed on name,
you'd still have this problem.)

On Wed, May 18, 2016 at 1:31 PM, JvJ <kfjwhee...@gmail.com> wrote:

> I'm encountering a very strange error in some tests.
>
> The details are a bit complex, but I'm using type-indexed maps.
>
> So, given an object o, the map would be {(type o) o}.  When I try to
> lookup with the key (type o), I don't get the value, even though I can
> clearly see it in the map.
>
>
> I have a map instance called new-still in my tests, and I can clearly see
> that this is its value
>
> {specs.core_test.Position {:x 0, :y 0}}
>
>
> However, when I try to compare the first key to the Position class (which
> it should be), I get this:
>
>
> Fail in run-systems-tst
> expected: (= (first (keys new-still)) Position)
>   actual: (not (= specs.core_test.Position specs.core_test.Position))
>
>
>
> How is it that the class specs.core_test.Position is not equal to itself??
> Is this a bug, or just some quirk of compilation?
>
> Thanks.
>
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