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> Date: Sun, 17 Jun 2007 22:56:42 +0300<br>> From: siguctua@gmail.com<br>> To: Ron@usmedrec.com; squeak-dev@lists.squeakfoundation.org<br>> Subject: Re: Support of algebraic operations on sets<br>> <br>> 2nd: as Bert notes, Collections don't introduce index at all. There's<br>> no #at: , #at:put: in Collection. Collections introducing basic<br>> methods (like #do:) which used for iterating through all of its items,<br>> which actually states that any collection must know how iterate<br>> through own items, but there's nothing about how these items are<br>> stored/accessed or how they are indexed.<br><br>And this is place that traits can really help. What would really be correct here is a trait called "Indexable" or similar that all indexable collections have. Then we wouldn't have to have so many #shouldNotImplement messages. :)<br><br /><hr />Live Earth is coming. Learn more about the hottest summer event - only on MSN. <a href='http://liveearth.msn.com?source=msntaglineliveearthwlm' target='_new'>Check it out!</a></body>
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