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rlang is a collection of frameworks and APIs for programming with R.


Two comprehensive frameworks are implemented in rlang.

Argument intake

A set of tools help you check, validate, and preprocess arguments.

Programming interfaces

rlang provides various interfaces for working with R and R objects.


Install the released version of rlang from CRAN:


Or install the development version from GitHub with:

# install.packages("pak")

Code of Conduct

Please note that the rlang project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.