[jira] [Updated] (GROOVY-8859) traits allow access to private fields and static methods but not instance methods

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

     [ https://issues.apache.org/jira/browse/GROOVY-8859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles updated GROOVY-8859:
--------------------------------
    Issue Type: Bug  (was: Question)

> traits allow access to private fields and static methods but not instance methods
> ---------------------------------------------------------------------------------
>
>                 Key: GROOVY-8859
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8859
>             Project: Groovy
>          Issue Type: Bug
>          Components: Compiler
>            Reporter: Eric Milles
>            Assignee: Eric Milles
>            Priority: Minor
>              Labels: trait, traits
>
> It seems that private in a trait is akin to protected in a class.  For example a class that implements a trait may access private fields (through namespace syntax) and properties and call private static methods.  And it may use Type.super.method() to disambiguate methods if necessary.  *Why, however, can a class that implements a trait not call private instance methods?*  This is not really covered in the language specification.
> {code:groovy}
> trait T {
>     private void privit() {
>         println 'private'
>     }
>     public void publik() {
>         println 'public'
>     }
> }
> class C implements T {
>     def m() {
>         publik()
>         privit()
>     }
> }
> new C().m()
> {code}
> This fails with missing method.  But if static modifier is added to privit, it succeeds.



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