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https://issues.apache.org/jira/browse/GROOVY-11792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Daniel Sun updated GROOVY-11792:
--------------------------------
    Description: 
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}


  was:
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 (var n : 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}



> Incorrect captured variable in closure
> --------------------------------------
>
>                 Key: GROOVY-11792
>                 URL: https://issues.apache.org/jira/browse/GROOVY-11792
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 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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