[jira] [Closed] (GROOVY-10107) Cannot assign null to a variable with a bounded generic type

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

     [ https://issues.apache.org/jira/browse/GROOVY-10107?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-10107.
------------------------------

> Cannot assign null to a variable with a bounded generic type
> ------------------------------------------------------------
>
>                 Key: GROOVY-10107
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10107
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>            Reporter: Thodoris Sotiropoulos
>            Assignee: Eric Milles
>            Priority: Major
>             Fix For: 4.0.0-beta-1, 3.0.9
>
>
> I have the following program
> {code:java}
> final class Test<T extends Number> {
>   final void m() {
>     T v = null;
>   }
> }
> {code}
> h3. Actual Behaviour
> {code:java}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 5: [Static type checking] - Cannot assign value of type <unknown parameter type> to variable of type T
>  @ line 5, column 11.
>        T v = null;
>              ^1 error
> {code}
> h3. Expected Behaviour
>  
> Tested against master https://github.com/apache/groovy/commit/7a56d7130aaf7b5244fa5a82fa0505fb7509f51f



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