> On 23 Mar 2016, at 15:37, Sean P. DeNigris <s...@clipperadams.com> wrote:
> 
> = anObject
>       ^ self class == anObject class 
>       ...
> 
> Most of the time, I've seen a test for #species, not class. This matters
> because I have a custom ZnUrl subclass that I'd like to be equal to a ZnUrl
> pointing to the same place.

Yes, that might be better.

> While we're on the subject, I'm not an expert on hashing, but isn't it a
> problem that ZnUrl>>#hash refers to #segment, which is not immutable?

I don't think the mutability is a problem (collection's hash is similar), but 
apart from that, the hash implementation looks a bit weird (too simple).

I am curious though why you subclasses ZnUrl. If you did not add structure but 
only behaviour you could have added some extension methods. 

> -----
> Cheers,
> Sean
> --
> View this message in context: 
> http://forum.world.st/ZnUrl-Why-Require-Same-Classes-tp4886102.html
> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
> 


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