[WIP] Exploration about arrow #117
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Description
Explore the possibility of supporting arrow in JuliaCall. Need to use Arrow.jl as a dependency.
Related Issue
#114 is about the efficiency of data transfer betwen Julia and R. The mechanism currently involves data copying in the transfer process. Since we have mechanisms provided by arrow and Arrow.jl, it is natural to try to figure out a no-copy mechanism in JuliaCall.
Example