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https://issues.apache.org/jira/browse/GROOVY-4356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King resolved GROOVY-4356.
-------------------------------
Resolution: Fixed
Assignee: Paul King
Fix Version/s: 2.5.0-beta-1
While technically a bug fix I will make this change just on master to target
Groovy version 2.5 since even in our own code base we were sloppy with using
some class-level generics within static methods - just example test code. So,
there might be existing code that will (and should) break. The expectations
about breakages are slightly greater for more major releases.
But feedback welcome and I am certainly open to porting back to the 2_4_X
branch if there is sufficient demand.
> Static members should not be able to access class-level generic types
> ---------------------------------------------------------------------
>
> Key: GROOVY-4356
> URL: https://issues.apache.org/jira/browse/GROOVY-4356
> Project: Groovy
> Issue Type: Bug
> Components: class generator
> Affects Versions: 1.8-beta-1
> Reporter: Roshan Dawrani
> Assignee: Paul King
> Fix For: 2.5.0-beta-1
>
>
> The following code compiles, but it shouldn't because T is a non-static
> generic type, and difference instances of Outer will have different concrete
> representations of T. Hence it makes no sense that static inner classes
> should be able to use such generic type variables.
> {code}
> class Outer<T> {
> T ofoo
> static class Inner {
> T ifoo
> }
> }
> {code}
> Similarly, all the cases below should not compile as well:
> {code}
> class Test1<T> {
> static T f1
> }
> class Test2<T> {
> static foo(T param1) {}
> }
> class Test3<T> {
> static foo() {
> T localVar1
> }
> }
> {code}
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