Why no immutable indexed view?

[G J]

Subject says it all...

The only indexed view is under collection.mutable.

I  wish to derive a class based on immutable indexed view, and could raise an exception for the update method to achieve that effect; but why...?

Thanks.

Best regards.

[Simon Ochsenreither]

I'm thinking something like an immutable array is sorely needed. Maybe it works for 2.11 ...

[√iktor Ҡlang]

Vector?

[G J]

Unfortunately, there are no views defined over Vectors.

Unless,  you were referring to Vector as an immutable Array then OK.

Best regards.

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[Rex Kerr]

Well, Vector.view works.  But it produces something typed as Seq not IndexedSeq.  You need the efficient indexed slicing/dropping of IndexedSeq, I guess?  If not, there's not much reason to worry that it's typed "wrong".

[G J]

I missed the Vector.view function....; but, yes - I do want to make an assumption for the presence of efficient indexing in the immutable indexed view.

Best regards.