Weston Pace created ARROW-12177:
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Summary: [C++] Investigate moving away from std::function in
AsyncGenerator
Key: ARROW-12177
URL: https://issues.apache.org/jira/browse/ARROW-12177
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Weston Pace
Assignee: Weston Pace
Most of async_generator.h uses std::function to store the operator functions.
Primarily this was to simplify the implementation. However, now that it is
being used more it ends up being somewhat wordy because lambda cannot be
implicitly assigned to std::function. This has gotten to the point where we
have created templated overloads that wrap the lambdas in functions.
It may be time to take a second look at this decision and converting over to
templated callable types.
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