Github user flandr commented on the pull request:
https://github.com/apache/thrift/pull/271#issuecomment-65947358
> Is there any specific reason for adding an option for this?
My motivation for adding the functionality was avoiding copies for Thrift
container types (e.g. list, set, map) when contemporary MoveConstructible STL
implementations are available.
If you're asking specifically about making it an option, my aim was to
avoid compatibility issues for pre-C++11 toolchains. Regardless, in discussion
on [THRIFT-2836](https://issues.apache.org/jira/browse/THRIFT-2836), Konrad
Grochowski expressed a preference to just fold this functionality into the
C++V2 generator, so we can probably close this out.
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