[C++][Python][R] C++ implementation of C data interface

[asfimport]

See ARROW-7912

Reporter: Neal Richardson / @nealrichardson
Assignee: Antoine Pitrou / @pitrou

Related issues:

• [R] Pass various wrapped Arrow objects created in Python into R with zero copy via reticulate (is related to)

PRs and other links:

• GitHub Pull Request #6026
• GitHub Pull Request #6483

_{Note: This issue was originally created as ARROW-7913. Please see the migration documentation for further details.}

[asfimport]

Ben Kietzman / @bkietz:
Issue resolved by pull request 6483
#6483