Hi Janko, Thanks for your help. Your code makes it clear.
Ching On 9/23/07, Janko Mivšek <[EMAIL PROTECTED]> wrote: > > Hi Ching, > > #= is test for equality while #== is test for identity. What do you > probably want is to override #= to compare two PoolQueues if they are > equal or not. But what "equal" means in your case is on you to define. > Maybe something like this: > > PoolQueue>>= anotherPoolQueue > > ^(self member = anotherPoolQueue member) > and: [self processor = anotherPoolQueue member] > > But be sure that also member and processor instvars understand #= in a > correct way. All numbers, strings, symbols etc. understand equality as > expected. > > I hope this helps a bit. > Janko > > > Ching de la Serna wrote: > > Hi List, > > > > I have a Class PoolQueue which has instvars 'member' and 'processor'. I > > find that an instance of PoolQueue when placed in an OrderedCollection > > can no longer be considered equal. I suppose I have to reimplement #= > > and #hash to allow PoolQueue instances to be compared. > > > > My problem: how do I implement #hash? Or stated another way, what does > > #hash accomplish? > > > > Thanks in advance. > > > > Ching. > > > > -- > Janko Mivšek > AIDA/Web > Smalltalk Web Application Server > http://www.aidaweb.si > _______________________________________________ > Beginners mailing list > Beginners@lists.squeakfoundation.org > http://lists.squeakfoundation.org/mailman/listinfo/beginners >
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