Implementing isEqual: and hash
Implementing isEqual: and hash
- Subject: Implementing isEqual: and hash
- From: Graham Cox <email@hidden>
- Date: Sat, 23 Aug 2008 21:41:43 +1000
I have a class for which equality can be defined as having the same
internal string value (which happens to be a UUID-turned-string). I
can easily implement isEqual: based on that but the docs say I also
need to implement -hash. Any pointers on what is a good way to do
that? Could I just safely defer to the -hash returned by the string in
question?
tia,
Graham
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