Take small objects by value #35
Description
The functions in https://github.com/mapbox/vector-tile/blob/2.x/include/mapbox/vector_tile/builder.hpp#L72-L87 should probably take their parameters as values.
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The functions in https://github.com/mapbox/vector-tile/blob/2.x/include/mapbox/vector_tile/builder.hpp#L72-L87 should probably take their parameters as values.