Defining and creating List for creating an expression
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                 Key: JEXL-53
                 URL: https://issues.apache.org/jira/browse/JEXL-53
             Project: Commons JEXL
          Issue Type: Improvement
    Affects Versions: 1.1
         Environment: Windows, RAD 7.0
            Reporter: Vijay
             Fix For: 1.1


I am new to using JEXL and my organization is looking to externalize the list 
of expression we have.  Many of the expressions have a list of values as a 
reference data.  I would like to define these values in a properties file along 
with the expression.  For example:

"List myList = new List['2','3']; if(myList.contains(myValue)){true} else 
{false}";

I am unable to define this syntax (error at definition of List).  I could not 
helpful exception message, while creating the above exception.  

The question is, can we define such list in JEXL expression string? what is the 
syntax?  I could not figure out the answer from the java docs, sample code, 
JUnit tests and google !!!

If not, this case can be a potential candidate for improvement.

Thanks
Vijay

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