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https://issues.apache.org/jira/browse/GROOVY-9470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17059774#comment-17059774
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Eric Milles commented on GROOVY-9470:
-------------------------------------
Duplicate of GROOVY-8411
See also https://github.com/groovy/groovy-eclipse/issues/1056
> Automatic type casting with switch..case with instanceof
> --------------------------------------------------------
>
> Key: GROOVY-9470
> URL: https://issues.apache.org/jira/browse/GROOVY-9470
> Project: Groovy
> Issue Type: Improvement
> Components: Compiler
> Affects Versions: 3.0.2
> Reporter: Marcin Zajaczkowski
> Priority: Minor
>
> It could be useful to have automatic type casting (also with static
> compilation) with switch..case with instanceof:
> {code:java}
> void sortItOut(Object o) {
> switch(o) {
> case String:
> println "String: ${o.length()}" //currently only in dynamic Groovy
> break
> case Integer:
> println "Integer: ${o.longValue()}" //currently only in dynamic
> Groovy
> break
> default:
> throw new IllegalArgumentException(o.toString())
> }
> }
> {code}
> The same as currently for if with instanceof:
> {code:java}
> if (o instanceof String) {
> useString(o)
> }
> {code}
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