[squeak-dev] Re: [bug] xor: is this an old bug or what?
Michael van der Gulik
mikevdg at gmail.com
Tue Mar 24 01:28:35 UTC 2009
On Tue, Mar 24, 2009 at 2:22 PM, Andreas Raab <andreas.raab at gmx.de> wrote:
> Keith Hodges wrote:
>
>> true xor: [ true ] => true
>>
>
> I don't think it's a bug. Unless you want to sprinkle lots of code with
> type tests, the result is whatever the implementation says, in this case:
>
> xor: aBoolean
> "Exclusive OR. Answer true if the receiver is not equivalent to
> aBoolean."
>
> ^(self == aBoolean) not
>
IMHO Should be:
xor: aBoolean
"Exclusive OR. Answer true if the receiver is not equivalent to
aBoolean."
^(self = aBoolean value) not
With Object>>value returning self.
Gulik.
--
http://gulik.pbwiki.com/
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