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https://issues.apache.org/jira/browse/MESOS-3329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14723603#comment-14723603
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haosdent commented on MESOS-3329:
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Hi, [~qiujian] You need find a committer as Shepherd to help you commit that. 
And please mark this issue to reviewable. :-)

> Unused hashmap::existsValue functions have incomplete code paths
> ----------------------------------------------------------------
>
>                 Key: MESOS-3329
>                 URL: https://issues.apache.org/jira/browse/MESOS-3329
>             Project: Mesos
>          Issue Type: Bug
>          Components: stout
>            Reporter: Jan Schlicht
>            Assignee: Jian Qiu
>            Priority: Trivial
>              Labels: easyfix, mesosphere
>
> `stout/hashmap.hpp` defines functions `hashmap::existsValue`. These return 
> true if a certain value exists in the hashmap instance. The control flow of 
> these functions doesn't cover the case that the value is not found, which 
> should result in false. Right now the result in this case is undefined.
> As the `existsValue` functions are never called this doesn't result in a 
> compile error atm.
> Possible solutions:
> 1) Add `return false`
> 2) Remove function



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