[jira] [Closed] (GROOVY-10813) Cannot create method reference for print or println

["Paul King (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-10813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-10813.
------------------------------

> Cannot create method reference for print or println
> ---------------------------------------------------
>
>                 Key: GROOVY-10813
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10813
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation
>    Affects Versions: 3.0.13, 4.0.6
>            Reporter: Eric Milles
>            Assignee: Eric Milles
>            Priority: Major
>             Fix For: 3.0.14, 4.0.7
>
>         Attachments: screenshot-1.png
>
>
> Consider the following:
> {code:groovy}
> @groovy.transform.CompileStatic
> void p() {
>   java.util.function.Consumer c = this::print
>   c.accept('hello world!')
> }
> p()
> {code}
> Throws error "LambdaConversionException: Type mismatch in captured lambda parameter 0: expecting class _script_, found class java.lang.Object"
> I was trying to print a stream element via "this::println".  This fails also with "System.out::println" as well.  I had to use closure syntax which works just fine.  Lambda throws NPE: "Consumer c = obj -> print(obj)"



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