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https://issues.apache.org/jira/browse/JEXL-200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Biestro closed JEXL-200.
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> Support for dynamic scripting in jexl scripts
> ---------------------------------------------
>
> Key: JEXL-200
> URL: https://issues.apache.org/jira/browse/JEXL-200
> Project: Commons JEXL
> Issue Type: New Feature
> Affects Versions: 3.0
> Reporter: Dmitri Blinov
> Assignee: Henri Biestro
> Priority: Minor
>
> Allow for dynamically defined functions inside a script where the definition
> of the function comes from a string expression, for example:
> {code}
> var x = function(y) => "return y+2";
> {code}
> the defined function should be accessible after its definition is
> successfully parsed as ordinary function, and can be evaluated in the current
> context.
> {code}
> if (x(40) eq 42) {...
> {code}
> I think the idea of dynamic script evaluation is not unusual, and though to
> some extent can be implemented via side-added functions like *eval(expr)* a
> dedicated syntax for this will benefit from the simplicity of ordinal
> functions and the ability to control mapping of the arguments between a
> caller and the defined function.
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