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Posted to issues@arrow.apache.org by "Wes McKinney (JIRA)" <ji...@apache.org> on 2019/04/22 05:04:00 UTC

[jira] [Updated] (ARROW-5102) [C++] Reduce header dependencies

     [ https://issues.apache.org/jira/browse/ARROW-5102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney updated ARROW-5102:
--------------------------------
    Fix Version/s: 0.14.0

> [C++] Reduce header dependencies
> --------------------------------
>
>                 Key: ARROW-5102
>                 URL: https://issues.apache.org/jira/browse/ARROW-5102
>             Project: Apache Arrow
>          Issue Type: Wish
>          Components: C++
>    Affects Versions: 0.13.0
>            Reporter: Antoine Pitrou
>            Priority: Major
>             Fix For: 0.14.0
>
>
> To tame C++ compile times, we should try to reduce the number of heavy dependencies in our .h files.
> Two possible avenues come to mind:
> * avoid including `unordered_map` and friends
> * avoid including C++ stream libraries (such as `iostream`, `ios`, `sstream`...)
> Unfortunately we're currently including `sstream` in `status.h` for some template APIs. We may move those to a separate include file (e.g. `status-builder.h`).



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