Github user martin-g commented on the pull request:
https://github.com/apache/wicket/pull/168#issuecomment-214024735
Thanks for the PR, Matthias!
Other Wicket devs seems to liked the idea of having those methods in
IModel, so thanks for formatting the code too! :-)
This `#flatMap()` impl looks good to me!
Please add the checks for null to set/getObject and I'll merge it!
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