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https://issues.apache.org/jira/browse/ARROW-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou closed ARROW-11191.
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Resolution: Duplicate
This was done as part of ARROW-8732.
> [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: Antoine Pitrou
> Priority: Minor
> Fix For: 4.0.0
>
>
> FnOnce drops dependencies on invocation and is lighter weight than
> std::function
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