[jira] [Assigned] (GROOVY-10079) groovyc does not perform unboxing on Character type

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

     [ https://issues.apache.org/jira/browse/GROOVY-10079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles reassigned GROOVY-10079:
------------------------------------

    Assignee: Eric Milles

> groovyc does not perform unboxing on Character type
> ---------------------------------------------------
>
>                 Key: GROOVY-10079
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10079
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>            Reporter: Thodoris Sotiropoulos
>            Assignee: Eric Milles
>            Priority: Major
>
> I have the following code
> {code:java}
> public class Main {
>   public static char foo() {
>     return (Character) 'd';
>   }
> }
> {code}
> h3. Actual behaviour
> groovyc rejects this code with
> {code:java}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 4: [Static type checking] - Cannot return value of type java.lang.Character on method returning type char
>  @ line 4, column 12.
>        return (Character) 'd';
>               ^1 error
> {code}
> h3. Expected behaviour
> Compile successfully
>  
> Note that javac accepts this code. Beyond that, groovyc performs unboxing as expected when encountering other wrapper classes, e.g. Short. So, for example the following code is accepted by groovyc.
>  
> {code:java}
> public class Main {
>   public static short foo() {
>     return (Short) 1;
>   }
> }
> {code}
> Tested against master: https://github.com/apache/groovy/commit/1def25301b42132f0fce82f2f524aa09c53835d4



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