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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2016/04/04 21:33:25 UTC
[jira] [Resolved] (FLINK-1159) Case style anonymous functions not
supported by Scala API
[ https://issues.apache.org/jira/browse/FLINK-1159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephan Ewen resolved FLINK-1159.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.1.0
Fixed via 5cb84f185963fa89be5d0c4e83bad66bac44d84d
Thank you for the contribution!
> Case style anonymous functions not supported by Scala API
> ---------------------------------------------------------
>
> Key: FLINK-1159
> URL: https://issues.apache.org/jira/browse/FLINK-1159
> Project: Flink
> Issue Type: Bug
> Components: Scala API
> Reporter: Till Rohrmann
> Assignee: Stefano Baghino
> Fix For: 1.1.0
>
>
> In Scala it is very common to define anonymous functions of the following form
> {code}
> {
> case foo: Bar => foobar(foo)
> case _ => throw new RuntimeException()
> }
> {code}
> These case style anonymous functions are not supported yet by the Scala API. Thus, one has to write redundant code to name the function parameter.
> What works is the following pattern, but it is not intuitive for someone coming from Scala:
> {code}
> dataset.map{
> _ match{
> case foo:Bar => ...
> }
> }
> {code}
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