Weston Pace created ARROW-12009:
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Summary: [C++] Then(const Result<T>&) should run on failure or
success
Key: ARROW-12009
URL: https://issues.apache.org/jira/browse/ARROW-12009
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Weston Pace
Assignee: Weston Pace
Adding two callbacks can lead to dense difficult to read code. If the caller
asks for a result then it should be easy to let the callback handle both the
failure and the success case.
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