Indexing access for Lists and Maps considered harmful?

Neal Gafter neal at gafter.com
Wed Jun 24 13:08:27 PDT 2009


On Wed, Jun 24, 2009 at 1:02 PM, Reinier Zwitserloot <
reinier at zwitserloot.com> wrote:

> That isn't a retrofit; existing implementations simply do not work unless
> you statically import a newly written method.
>

Exactly: programmers opt-in to this form.


> trying to write a generic form of such a method would have to build it from
> the put and get primitives, which puts you in the same boat: needless and
> expected get calls in 99% of all assignments. So, no, you haven't shown
> this.
>

I don't see a needless get call in the implementation I provided.  Do you?



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