It is a wrapper around the Rust code: - It triggers the rust build in the Makefile: https://github.com/osohq/oso/blob/1d3bf5a4a997a574c2b19084a0d8c1a0d9cc91e6/

It is a wrapper around the Rust code: - It triggers the rust build in the Makefile: https://github.com/osohq/oso/blob/1d3bf5a4a997a574c2b19084a0d8c1a0d9cc91e6/languages/ruby/Makefile#L4 https://github.com/osohq/oso/blob/1d3bf5a4a997a574c2b19084a0... - There is a bunch of FFI code (also in the ffi directory): https://github.com/osohq/oso/blob/1d3bf5a4a997a574c2b19084a0d8c1a0d9cc91e6/languages/ruby/lib/oso/polar/ffi.rb https://github.com/osohq/oso/blob/1d3bf5a4a997a574c2b19084a0...