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https://issues.apache.org/jira/browse/GROOVY-11683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17959540#comment-17959540
]
ASF GitHub Bot commented on GROOVY-11683:
-----------------------------------------
codecov-commenter commented on PR #2253:
URL: https://github.com/apache/groovy/pull/2253#issuecomment-2959958684
##
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All modified and coverable lines are covered by tests :white_check_mark:
> Project coverage is 69.0450%. Comparing base
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<details><summary>Additional details and impacted files</summary>
[](https://app.codecov.io/gh/apache/groovy/pull/2253?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
```diff
@@ Coverage Diff @@
## master #2253 +/- ##
==================================================
+ Coverage 69.0412% 69.0450% +0.0038%
Complexity 29711 29711
==================================================
Files 1423 1423
Lines 114423 114424 +1
Branches 19846 19847 +1
==================================================
+ Hits 78999 79004 +5
+ Misses 28789 28786 -3
+ Partials 6635 6634 -1
```
| [Files with missing
lines](https://app.codecov.io/gh/apache/groovy/pull/2253?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
| Coverage Δ | |
|---|---|---|
|
[...roovy/transform/stc/StaticTypeCheckingVisitor.java](https://app.codecov.io/gh/apache/groovy/pull/2253?src=pr&el=tree&filepath=src%2Fmain%2Fjava%2Forg%2Fcodehaus%2Fgroovy%2Ftransform%2Fstc%2FStaticTypeCheckingVisitor.java&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#diff-c3JjL21haW4vamF2YS9vcmcvY29kZWhhdXMvZ3Jvb3Z5L3RyYW5zZm9ybS9zdGMvU3RhdGljVHlwZUNoZWNraW5nVmlzaXRvci5qYXZh)
| `87.5598% <100.0000%> (+0.0035%)` | :arrow_up: |
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> STC loses generic information on method reference
> -------------------------------------------------
>
> Key: GROOVY-11683
> URL: https://issues.apache.org/jira/browse/GROOVY-11683
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 4.0.27
> Reporter: Christopher Smith
> Assignee: Eric Milles
> Priority: Minor
>
> I am using a typical stream pipeline to get a list of pages of results and
> flatMap them to the individual records:
> {code}
> //
> software.amazon.awssdk.services.cognitoidentityprovider.CognitoIdentityProviderClient
> cognito
> cognito.listUsersPaginator { it.userPoolId(cognitoUserPool) }
> .stream()
> .map(ListUsersResponse::users)
> .flatMap(List::stream) // produces UserType
> .map(UserType::username)
> .toList()
> {code}
> Both groovyc and GRECLIPSE report the compile-time error
> {code}
> Failed to find class method 'username(java.lang.Object)' or instance method
> 'username()' for the type:
> software.amazon.awssdk.services.cognitoidentityprovider.model.UserType
> {code}
> The cause appears to be a failure to propagate the type information out of
> the {{flatMap}} call: On hover, Eclipse correctly identifies the
> {{List::stream}} as returning {{Stream<UserType>}}, but the {{flatMap}} is
> reported as {{Stream<Object>}}. Inserting a type witness before the
> {{flatMap}} call resolves the error. Both the loss of type information and
> the incorrect error message appear to be bugs.
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