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https://issues.apache.org/jira/browse/ARROW-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17261505#comment-17261505
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Ben Kietzman commented on ARROW-11191:
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In addition, I think we no longer need distinct TaskGroup::Append/AppendReal or
ThreadPool/Executor::Submit/SubmitReal, I think the protected *Real functions
could be deleted.
> [C++] Use FnOnce for TaskGroup's tasks instead of std::function
> ---------------------------------------------------------------
>
> Key: ARROW-11191
> URL: https://issues.apache.org/jira/browse/ARROW-11191
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Michal Nowakiewicz
> Assignee: Michal Nowakiewicz
> Priority: Minor
> Fix For: 4.0.0
>
>
> FnOnce drops dependencies on invocation and is lighter weight than
> std::function
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