To a very good approximation, Smalltalk doesn't copy anything unless you ask it to.

In this respect it's just like Java, Python, Ruby, ECMAScript, and most OO languages.

C++ *does* like to copy things, but it is unusual.

On Thu, 25 Jul 2019 at 00:46, sergio ruiz <sergio.rrd@gmail.com> wrote:

I think my understanding of OrderedCollections has been incorrect for a very long time. I have never had a situation where it mattered, but in modeling a current project, I think I have been approaching it incorrectly.

Since I have been using Smalltalk, I assumed that a copy of an object is added to an OrderedCollection. A quick test shows that a reference to that object is added to the OrderedCollection.

I just wanted a sanity check on this. Is this true with all collections?

Thanks!

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sergio
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