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https://issues.apache.org/jira/browse/VELOCITY-406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660200#action_12660200
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Byron Foster commented on VELOCITY-406:
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Added the $foo[1] style syntax. When reading the value it's implemented by
calling .get(<val>), so that the bracketed syntax is synonymous with .get(.
This means it also works for getting Map values like $foo["junk"].
The setting this type of reference also works. for example:
#set($foo[2] = 3)
If the index value is an Integer, then it calls .set(Integer, <val>), otherwise
it calls .put(<val>, <val>) which allows the setting of Map values with:
#set($foo["garbage"] = "smelly")
> Improved Syntax for Maps and Collections
> ----------------------------------------
>
> Key: VELOCITY-406
> URL: https://issues.apache.org/jira/browse/VELOCITY-406
> Project: Velocity
> Issue Type: Improvement
> Components: Engine
> Reporter: Jörg Gottschling
> Priority: Minor
>
> I would like to see some syntatic sugar for Maps and Collections and perhaps
> other Objects too.
> (I have read that there will be a syntax for map literals in 1.5, that's a
> first step.)
> I want to have something like in groovy:
> http://groovy.codehaus.org/Collections
> Scroll down to "Slicing with the subscript operator".
> PS: Please do never implement this terrible confusing groovy map bean syntax,
> where "map.foo" ist equivalent to "map.get("foo")".
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