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https://issues.apache.org/jira/browse/ARROW-10484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-10484:
-----------------------------------
Labels: pull-request-available (was: )
> [C++] Future<{void,Status}> could be more generic
> -------------------------------------------------
>
> Key: ARROW-10484
> URL: https://issues.apache.org/jira/browse/ARROW-10484
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 2.0.0
> Reporter: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The members of {{Future<{void,Status}>}} differ from other instantiations of
> {{Future<>}} since they contain only a Status and not a value. This is
> reasonable, however it complicates generic usage of {{Future<>}} since
> special cases must be added for the different interfaces. IMHO it'd be
> acceptable to provide an empty "ValueType" (or maybe {{std::nullptr_t}} to
> follow the precedent of Datum's default state) for those specializations to
> keep the interface generic.
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