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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GROOVY-8220) GroovyCastException with CompileStatic
Date Sun, 24 Sep 2017 03:01:08 GMT

    [ https://issues.apache.org/jira/browse/GROOVY-8220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16178063#comment-16178063
] 

ASF GitHub Bot commented on GROOVY-8220:
----------------------------------------

GitHub user paulk-asert opened a pull request:

    https://github.com/apache/groovy/pull/606

    GROOVY-8220: GroovyCastException with CompileStatic

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/paulk-asert/groovy groovy8220b

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/groovy/pull/606.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #606
    
----
commit 9c39935ad5005dddf11816eaf0106227545fdb54
Author: paulk <paulk@asert.com.au>
Date:   2017-09-24T02:58:52Z

    GROOVY-8220: GroovyCastException with CompileStatic

----


> GroovyCastException with CompileStatic
> --------------------------------------
>
>                 Key: GROOVY-8220
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8220
>             Project: Groovy
>          Issue Type: Bug
>    Affects Versions: 2.5.0-beta-1, 2.4.12
>            Reporter: paolo di tommaso
>
> {code}
> @groovy.transform.CompileStatic
> class Foo {
>     CharSequence makeEnv( env, StringBuilder result = new StringBuilder() ) {
>         if( env instanceof File ) {
>             env = env.toPath()
>         }
>         if( env instanceof String && env.contains('=') ) {
>             result << 'export ' << env << ';'
>         }
>         return result.toString()
>     }
> }
> assert new Foo().makeEnv('X=1') == 'export X=1;'
> Exception thrown
> org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'X=1'
with class 'java.lang.String' to class 'java.lang.Iterable'
> 	at Foo.makeEnv(ConsoleScript5:10)
> 	at Foo.makeEnv(ConsoleScript5:4)
> 	at Foo$makeEnv.call(Unknown Source)
> 	at ConsoleScript5.run(ConsoleScript5:20)
> {code}
> Without CompileStatic it works as expected. 



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