[jira] [Updated] (GROOVY-11244) Cannot define Java-like lambda inside closure

["Eric Milles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-11244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles updated GROOVY-11244:
---------------------------------
    Component/s: parser-antlr4
                     (was: Static Type Checker)

> Cannot define Java-like lambda inside closure
> ---------------------------------------------
>
>                 Key: GROOVY-11244
>                 URL: https://issues.apache.org/jira/browse/GROOVY-11244
>             Project: Groovy
>          Issue Type: Bug
>          Components: parser-antlr4
>            Reporter: Thodoris Sotiropoulos
>            Priority: Minor
>
> I have the following program
> {code}
> import java.util.function.Function;
> class Test {
>   void test() {
>     Closure<String> clo = {
>       Function<Integer, Integer> x = (z) -> 1 + z;
>       return "f";
>     }
>   }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 6: [Static type checking] - The variable [z] is undeclared.
>  @ line 6, column 49.
>    eger, Integer> x = (z) -> 1 + z;
>                                  ^
> test.groovy: 6: [Static type checking] - Cannot find matching method int#plus(java.lang.Object). Please check if the declared type is correct and if the method exists.
>  @ line 6, column 45.
>    <Integer, Integer> x = (z) -> 1 + z;
>                                  ^
> test.groovy: 6: [Static type checking] - The variable [z] is undeclared.
>  @ line 6, column 38.
>          Function<Integer, Integer> x = (z) -> 1 + z;
>                                         ^
> 3 errors
> {code}
> h3. Expected behavior
> Compile successfully



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