[ARROW-11191] [C++] Use FnOnce for TaskGroup's tasks instead of std::function

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Duplicate
• Fix Version/s: 4.0.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/27096
• Assignee: Antoine Pitrou
• Reporter: Michal Nowakiewicz
• Created: 08/Jan/21 17:55
• Updated: 11/Jan/23 08:18
• Resolved: 22/Mar/21 16:24

Description

FnOnce drops dependencies on invocation and is lighter weight than std::function

Issue Links

• is superceded by: ARROW-8732 [C++] Let Futures support cancellation