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From "Sebb (JIRA)" <>
Subject [jira] Commented: (JEXL-79) Add support for growable arrays (ArrayLists)
Date Thu, 06 Aug 2009 15:47:14 GMT


Sebb commented on JEXL-79:

Wow, that was quick!

Looks fine to me.

Needs some more tests:
- empty array
- adding items beyond the original list (including leaving a gap)
- referencing missing items

Just occurred to me - might be useful to be able to delete entries.
Perhaps setting an entry to null should delete it?

> Add support for growable arrays (ArrayLists)
> --------------------------------------------
>                 Key: JEXL-79
>                 URL:
>             Project: Commons JEXL
>          Issue Type: New Feature
>            Reporter: Sebb
>             Fix For: Later
>         Attachments: JEXL-79.patch
> JEXL now has fixed arrays. Trying to access a non-existent entry generates an Exception.
> Might be useful to allow for the creation and manipulation of growable arrays, e.g. using
> Writing to a non-existent entry should just create the value; reading should return null
and empty.
> This would need a new syntax.
> Perhaps:
> list=[1,2,3,...]
> and
> emptyList=[...]
> I did wonder about using (), but that would clash with method invocation.
> Other ideas welcome!

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