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https://issues.apache.org/jira/browse/FREEMARKER-21?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15863794#comment-15863794
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Pedro M. Zamboni commented on FREEMARKER-21:
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bq. \[…] evaluating {{foo}} basically causes an exception \[…]
That’s really awkward, then. I really hope this changes in Freemarker 3.
If you don’t mind me asking it here: is it, then, appropriate to makes
suggestions for Freemarker 3 here in this issue tracker?
> Reference to the object in condition - avoid repeating the same in #if and
> ${...}
> ---------------------------------------------------------------------------------
>
> Key: FREEMARKER-21
> URL: https://issues.apache.org/jira/browse/FREEMARKER-21
> Project: Apache Freemarker
> Issue Type: New Feature
> Components: engine
> Reporter: Ondra Žižka
>
> Repeating stuff is annoying, especially in programming.
> Therefore this is annoying:
> {code}
> <#if someVariable.someMethod.someProperty??>
> <div>${someVariable.someMethod.someProperty}</div>
> </#if>
> {code}
> This would be better:
> {code}
> <#if someVariable.someMethod.someProperty?? as value>
> <div>${value}</div>
> </#if>
> {code}
> Not talking about the fact that it could only be evaluated once.
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