[jira] [Commented] (GROOVY-11792) Incorrect captured variable in closure

["Daniel Sun (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-11792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18034711#comment-18034711 ] 

Daniel Sun commented on GROOVY-11792:
-------------------------------------

I am going to fix the issue in Groovy 6. 

Though it is a breaking change, I believe few developers expect the current running result.

Any thoughts?


> Incorrect captured variable in closure
> --------------------------------------
>
>                 Key: GROOVY-11792
>                 URL: https://issues.apache.org/jira/browse/GROOVY-11792
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 2.5.23, 3.0.25, 4.0.29, 5.0.2
>            Reporter: Daniel Sun
>            Priority: Major
>
> Expect 14(1+4+9), but get 27(9+9+9)
> {code:java}
> import java.util.function.Supplier
> def numbers = [1, 2, 3]
> List suppliers = []
> for (n in numbers) {
>    println "v: ${n}"
>    Supplier s = {
>        def r = n * n
>        println "$n: $r"
>        return r
>    }
>    suppliers << s
> }
> println "Result: ${suppliers.sum({e -> e.get()})}"
> {code}
> yields: 
> {code:java}
> v: 1
> v: 2
> v: 3
> 3: 9
> 3: 9
> 3: 9
> Result: 27
> {code}



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