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https://issues.apache.org/jira/browse/JEXL-307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17009755#comment-17009755
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Henri Biestro commented on JEXL-307:
------------------------------------
Changeset: 55ba9f5f5ca4a76883ea5ccff0f54a2b3d770470
Author: henrib <[email protected]>
Date: 2019-12-20 13:15
Message: JEXL-307: fix features being lost during parsing
Changeset: 0d0e58305b87cfe8fe26aa8c8abcf8c351917abd
Author: henrib <[email protected]>
Date: 2020-01-07 15:08
Message: JEXL-307: fix usage of outer defined var in inner block
> Variable redeclaration option
> -----------------------------
>
> Key: JEXL-307
> URL: https://issues.apache.org/jira/browse/JEXL-307
> Project: Commons JEXL
> Issue Type: New Feature
> Affects Versions: 3.1
> Reporter: Dmitri Blinov
> Assignee: Henri Biestro
> Priority: Minor
> Fix For: 3.2
>
>
> As of now, JEXL allows a script writer to redeclare a local variable during
> script evaluation.
> {code:java}
> var a = 1; var a = 2;{code}
> This may lead to potential errors with misspelled names and clashed
> variables. Checking for already defined variable is a common feature of many
> languages. This feature can be implemented in JEXL as an additional option of
> JexlFeatures class, enabled by default, thus allowing compatibility with
> existing code.
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