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Date: Tue, 10 Nov 2015 00:34:11 +0000 (UTC)
From: "Daniel Dekany (JIRA)" <jira@apache.org>
To: notifications@freemarker.incubator.apache.org
Message-ID: <JIRA.12911708.1447112172000.22675.1447115651068@Atlassian.JIRA>
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Subject: [jira] [Commented] (FREEMARKER-8) Adding to a hash (map)
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    [ https://issues.apache.org/jira/browse/FREEMARKER-8?page=3Dcom.atlassi=
an.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D14=
997740#comment-14997740 ]=20

Daniel Dekany commented on FREEMARKER-8:
----------------------------------------

That's known but though one. FreeMarker doesn't access {{Map}}-s directly, =
instead it uses {{TemplateModel}} interfaces like {{TemplateHashModelEx}}. =
Those has no methods for modifications. Of course we could add something li=
ke {{WritableTemplateHashModelEx}} which extends {{TemplateHashModelEx}}, a=
nd then also had to update some of the built-in functions which assume that=
 these models are immutable. But before doing anything like that, there's a=
nother higher priority issues, adding a model interface that allows non-str=
ing keys (would be certainly called {{TemplateMapModel}}), and then extend =
that inferface to have writable variation.

> Adding to a hash (map)
> ----------------------
>
>                 Key: FREEMARKER-8
>                 URL: https://issues.apache.org/jira/browse/FREEMARKER-8
>             Project: Apache Freemarker
>          Issue Type: New Feature
>          Components: engine
>    Affects Versions: 2.3.23
>            Reporter: Ondra =C5=BDi=C5=BEka
>
> It would be nice to assign to a map this way:
> {code}
> <#assign map["key"] =3D 1>
> {code}
> and also=20
> {code}
> <#assign map["key"]++>
> {code}
> So far I think it's like this but can't get it work:
> {code}
> <#assign map +=3D {classification.classification : map[classification.cla=
ssification]!++}>
> {code}
> Thanks for considering.


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