[jira] [Closed] (GROOVY-6214) Problem With CompileStatic And instanceof

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

     [ https://issues.apache.org/jira/browse/GROOVY-6214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-6214.
-----------------------------
    Resolution: Duplicate
      Assignee: Paul King

This appears fixed in 2.4.13, probably a duplicate of GROOVY-8260.

> Problem With CompileStatic And instanceof
> -----------------------------------------
>
>                 Key: GROOVY-6214
>                 URL: https://issues.apache.org/jira/browse/GROOVY-6214
>             Project: Groovy
>          Issue Type: Improvement
>          Components: Compiler
>    Affects Versions: 2.1.1, 2.1.5
>         Environment: OX X 10.8.3
>            Reporter: Jeff Brown
>            Assignee: Paul King
>            Priority: Major
>
> I think this should compile but it does not.  
> {noformat}
>  $ cat Demo.groovy 
> import groovy.transform.CompileStatic
> @CompileStatic
> class Demo {
>     List convertToList(Object arg) {
>         List convertedList
>         
>         if(arg instanceof List) {
>             convertedList = arg
>         }
>         convertedList
>     }
> }
>  $ 
>  $ groovy -version
> Groovy Version: 2.1.5 JVM: 1.6.0_45 Vendor: Apple Inc. OS: Mac OS X
>  $ 
>  $ groovyc Demo.groovy 
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> Demo.groovy: 10: [Static type checking] - Cannot assign value of type java.lang.Object to variable of type java.util.List
>  @ line 10, column 29.
>                convertedList = arg
>                                ^
> 1 error
> {noformat}
> Is this a bug?



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