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https://issues.apache.org/jira/browse/TAP5-1495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015188#comment-13015188
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Robert Zeigler commented on TAP5-1495:
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Fair enough. For the record, I thought of the map support while considering the
need to be able pass request parameters to the link components. Map is a
natural fit for that, and it then occurred to me that expression support for
maps would be useful.
> tapestry expressions should support a map creation
> --------------------------------------------------
>
> Key: TAP5-1495
> URL: https://issues.apache.org/jira/browse/TAP5-1495
> Project: Tapestry 5
> Issue Type: Improvement
> Components: tapestry-core
> Affects Versions: 5.3
> Reporter: Robert Zeigler
> Assignee: Robert Zeigler
>
> Currently, tapestry expressions support property access, method calls, null
> checks (?.), and quick list creation (['a',b,...]), but there is no support
> for map creation.
> It would be nice to be able to write:
> {a=>b,c=>d}
> to quickly and easily create maps.
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