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<p>Nice finding! Probably we should override all #difference: #intersection: #symmetricDifference: #union: in Bag to have multiset semantics.</p>
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<p>Best,</p>
<p>Christoph</p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>Von:</b> Squeak-dev <squeak-dev-bounces@lists.squeakfoundation.org> im Auftrag von Stéphane Rollandin <lecteur@zogotounga.net><br>
<b>Gesendet:</b> Donnerstag, 5. Januar 2023 17:18:58<br>
<b>An:</b> liste [Squeak-dev]<br>
<b>Betreff:</b> [squeak-dev] Intersection of Bags</font>
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<div class="PlainText">Hello all,<br>
<br>
We have<br>
<br>
(Bag with: 1 with: 1 with: 1) intersection: (Bag with: 1)<br>
--><br>
(Bag with: 1 with: 1 with: 1)<br>
<br>
and:<br>
<br>
(Bag with: 1) intersection: (Bag with: 1 with: 1 with: 1)<br>
--><br>
(Bag with: 1)<br>
<br>
Is that a bug or a feature?<br>
<br>
I would expect (Bag with: 1) in both cases.<br>
<br>
<br>
Stef<br>
<br>
<br>
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