Disable warnings #452
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Disable warnings #452
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This allows `gcc` to elide the copy in the return and keeps it from warning with `-Wnvro` enabled.
The definition of the dtor is not necessary and actually harmful since the definition of a class's implicit copy constructor is deprecated if that class has a user-declared constructor as of C++11. Compilers can warn about this with `-Wdeprecated`.
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This change is