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What's New in Scala 2.8: Package Objects

3 replies on 1 page. Most recent reply: Dec 29, 2010 5:05 AM by Fred Nowak

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Bill Venners

Posts: 2250
Nickname: bv
Registered: Jan, 2002

What's New in Scala 2.8: Package Objects Posted: Sep 14, 2010 1:00 AM
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The third installment of a series of articles on the latest Scala release, Scala 2.8, Martin Odersky explains package objects.

http://www.artima.com/scalazine/articles/package_objects.html

What do you think of package objects?


Thomas Mueller

Posts: 18
Nickname: thomasm
Registered: Jan, 2009

Re: What's New in Scala 2.8: Package Objects Posted: Sep 15, 2010 3:38 AM
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Scala is nice, but I fear it's getting too complicated. "A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away." I can't really tell what features should be removed, but maybe Scala should be viewed as a research language, and not so much as a language for the masses?

Benjamin James

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Nickname: bmjames
Registered: Oct, 2009

Re: What's New in Scala 2.8: Package Objects Posted: Sep 16, 2010 12:34 PM
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I'm confused by this statement in the article:

> Now assume you want to place a variable, planted, and a method, showFruit, directly into package gardening.

But in the subsequent examples, the variable planted and method showFruit seem to be in the package gardening.fruits, not directly in gardening.

Fred Nowak

Posts: 1
Nickname: 57396
Registered: Aug, 2008

Re: What's New in Scala 2.8: Package Objects Posted: Dec 29, 2010 5:05 AM
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How can I access the object Foo contained in a package object from Java ?

package object domain {
object Foo
}

domain$.MODULE$.Foo$.MODULE$ ?

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