Affects Version/s: None
Fix Version/s: 3.0
As script get richer, being able to create functions is a strong need.
This only requires adding a new keyword ('function') and the syntax would be: var fn = function(x, y, z)
It would be nice to allow those to behave as closures (thru local variable hoistering).
This will bring JEXL closer to ECMAScript in functionality.