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https://issues.apache.org/jira/browse/GROOVY-11432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-11432.
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> Support method references/method pointers in annotations
> --------------------------------------------------------
>
> Key: GROOVY-11432
> URL: https://issues.apache.org/jira/browse/GROOVY-11432
> Project: Groovy
> Issue Type: Improvement
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
> Fix For: 5.0.0-alpha-10
>
>
> The topic (for Java) appeared on social media recently:
> https://twitter.com/GeoffreyDeSmet/status/1808216150867861896
> Java thought it might be a good idea a while back but thought it would be
> hard to implement:
> https://mail.openjdk.org/pipermail/core-libs-dev/2018-November/056596.html
> For us we could use a Class typed annotation attribute and do like we
> currently do for closures, e.g.:
> {code}
> @interface UIColorAnnotation {
> Class method()
> }
> @UIColorAnnotation(method = Person::getAgeColor)
> public int getAge() {
> }
> ...
> {code}
> Since we already support closures, my thinking is to make the above exactly
> equivalent to:
> {code}
> @UIColorAnnotation(method = { with(Person::getAgeColor) })
> public int getAge() {
> }
> ...
> {code}
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