extendr-engine

This crate facilitates embedding an R process together with a standalone binaries. In rust-powered R-packages, the R code calls Rust, and thus there is already an accompanying R process. Instead, this is meant to be used in unit tests, integration test and binaries that are standalone from R code.

This crate does not adhere to the non-API requirements of CRAN.

Using it in R-packages

Within Cargo.toml add extendr-engine under dev-dependencies.

[dev-dependencies]
extendr-engine = "*"

Then, you may use extendr_engine within unit tests, integration tests, and binaries. If extendr-engine is added under [dependencies], then the surrounding R-package will flag a CRAN note about non-API usage.

About

See documentation on doc.rs, or the latest development version on extendr website.

This crate is similar in spirit as {Rinside}, on CRAN.