[jira] [Created] (GROOVY-7436) Multiple inheritance of traits - conflict resolution

["Thornton Chamberlain (JIRA)" <ji...@apache.org>]

Thornton Chamberlain created GROOVY-7436:
--------------------------------------------

             Summary: Multiple inheritance of traits - conflict resolution
                 Key: GROOVY-7436
                 URL: https://issues.apache.org/jira/browse/GROOVY-7436
             Project: Groovy
          Issue Type: Bug
            Reporter: Thornton Chamberlain


{noformat}
trait A {
    String exec() {'A'}
}
trait B implements A {
    String exec() {'B'}
}
trait C implements A {

}

class X implements A, B, C {}

def x = new X()
assert x.exec() == 'B'
{noformat}
An equivalent example in Scala will use the exec() implementation from B, as asserted.  Groovy will take the implementation from the last declared trait, C, which inherits the implementation from A but does not define its own implementation.  I think Groovy should use the implementation from the last declared trait that defines its own implementation.



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