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Posted to issues@mesos.apache.org by "Neil Conway (JIRA)" <ji...@apache.org> on 2016/10/27 18:37:59 UTC

[jira] [Created] (MESOS-6496) Support up-casting of Shared and Owned

Neil Conway created MESOS-6496:
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             Summary: Support up-casting of Shared<T> and Owned<T>
                 Key: MESOS-6496
                 URL: https://issues.apache.org/jira/browse/MESOS-6496
             Project: Mesos
          Issue Type: Bug
          Components: libprocess
            Reporter: Neil Conway


It should be possible to pass a {{Shared<Derived>}} value to an object that takes a parameter of type {{Shared<Base>}}. Similarly for {{Owned}}. In general, {{Shared<T2>}} should be implicitly convertable to {{Shared<T1>}} iff {{T2}} is implicitly convertable to {{T1}}. In C++11, this works because they define the appropriate conversion constructor.



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