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From "Pedro M. Zamboni (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FREEMARKER-21) Reference to the object in condition - avoid repeating the same in #if and ${...}
Date Mon, 13 Feb 2017 14:58:41 GMT

    [ https://issues.apache.org/jira/browse/FREEMARKER-21?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15863790#comment-15863790
] 

Pedro M. Zamboni commented on FREEMARKER-21:
--------------------------------------------

bq. \[…] evaluating {{foo}} basically causes an exception \[…]

That’s a really awkward 

Sorry to ask it here, but is it, then, appropriate to post 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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