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https://issues.apache.org/jira/browse/FREEMARKER-157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17195232#comment-17195232
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G Kal commented on FREEMARKER-157:
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Hello [~ddekany], and thank you for your response. Indeed that was the problem.
My understanding was that the ?string.@base_8 will work with both strings and
numbers. Since I cannot always say if the value of that map would be number or
string is there another way to call the formatter explicitly in both situations
?
For now I used ${map.key?number?string.@base_8} to first transform my value
into a number and then into a string, but is there another way which is not so
verbose ?
> Custom number formats
> ---------------------
>
> Key: FREEMARKER-157
> URL: https://issues.apache.org/jira/browse/FREEMARKER-157
> Project: Apache Freemarker
> Issue Type: Bug
> Components: documentation
> Affects Versions: 2.3.28, 2.3.29, 2.3.30
> Reporter: G Kal
> Priority: Major
> Labels: customNumberFormats
>
> Followed the exact steps as described at the project's
> [documentation|https://freemarker.apache.org/docs/pgui_config_custom_formats.html#pgui_config_custom_formats_ex_model_aware]
> but I cannot make my custom number formats to work.
> For example when I run the template bellow:
> {code:java}
> ${map.key?string.@base_8}
> {code}
> I get this error:
>
> {code:java}
> For "." left-hand operand: Expected a hash, but this has evaluated to a
> string (wrapper: f.t.SimpleScalar):
> ==> map.key?string
> {code}
> I tried various combinations of . and @ operator, tried to wrap my map inside
> () but nothing seems to work.
>
> Setting the number format globally (<#setting number_format="@base_8">)
> works, but this is not an option for me, as well as the model - aware
> formats. Is this functionality broken or removed, can I at least have a
> custom format function ? How can I achieve this?
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