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Posted to notifications@freemarker.apache.org by "Daniel Dekany (JIRA)" <ji...@apache.org> on 2016/11/01 19:08:58 UTC
[jira] [Comment Edited] (FREEMARKER-37) ability to skip iteration
in a list
[ https://issues.apache.org/jira/browse/FREEMARKER-37?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15626370#comment-15626370 ]
Daniel Dekany edited comment on FREEMARKER-37 at 11/1/16 7:08 PM:
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The problem is deeper than that, because {{#list}} isn't just an odd name for {{for}}. {{#list}} deals with things like item separators, item index, etc. Thus if you skip items like that (with a big {{#if}} or a {{#continue}}), you can't use those features. So the real solution would be list filtering... which is a more difficult problem than {{#continue}}. So, yeah, skipping is badly needed, but {{#continue}} is not the good solution for it.
was (Author: ddekany):
The problem is deeper than that, because {{#list}} isn't just an odd name for {{for}}. {{#list}} deals with things like item separators, item index, etc. Thus if you skip items like that (with a big {{#if}} or a {{#continue}]), you can't use those features. So the real solution would be list filtering... which is a more difficult problem than {{#continue}}. So, yeah, skipping is badly needed, but {{#continue}} is not the good solution for it.
> ability to skip iteration in a list
> -----------------------------------
>
> Key: FREEMARKER-37
> URL: https://issues.apache.org/jira/browse/FREEMARKER-37
> Project: Apache Freemarker
> Issue Type: Improvement
> Reporter: Ivan Levchenko
>
> Sorely missing ability to skip through an iteration of a list and continue on with the rest of the list. would like to write clean code like this:
> <#list collection as element>
> <#if element.attr1 == "some_value">
> <#continue /> <#-- skip over this item and run next item in loop -->
> </#if>
> do stuff here
> </#list>
> Thanks!
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