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https://issues.apache.org/jira/browse/WICKET-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678087#action_12678087
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James Carman commented on WICKET-2137:
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We don't want to go the other way and allow List<? extends T> in ListView? If
it makes it more flexible, then I don't see why we don't do it. I'd be -0.99
to changing DropDownChoice to be less flexible.
> Remove ? extends from constructor of DropDownChoice
> ---------------------------------------------------
>
> Key: WICKET-2137
> URL: https://issues.apache.org/jira/browse/WICKET-2137
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 1.4-RC3
> Environment: 1.4-SNAPSHOT as of 2009-01-28
> Reporter: Brill Pappin
>
> DropDownChoice has a generics definition of List<? extends T> in its
> constructor.
> This causes trouble with existing models that may be used in a DropDownChoice
> and is not consistant with ListView which uses <List<T>>.
> Change DropDownChoice to match the other list type components so that their
> models can be used across components.
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