Github user SolidWallOfCode commented on the pull request:
https://github.com/apache/trafficserver/pull/456#issuecomment-181463542
As far as I know, we can't depend on `std::unique_ptr` being available. If
that's changed then yes, we could replace `ats_scoped_str` with `unique_ptr`.
The former is limited basically for this reason, that it is just a stop gap
until we can use the standard mechanism.
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