Check User-Supplied Function Arguments

For developers to check user-supplied function arguments. It is designed to be simple, fast and customizable. Error messages follow the tidyverse style guide.


Reference manual

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0.4.0 by Joe Thorley, a month ago

Report a bug at

Browse source code at

Authors: Joe Thorley [aut, cre] , Kirill Müller [aut] , Ayla Pearson [ctb] , Poisson Consulting [cph, fnd]

Documentation:   PDF Manual  

MIT + file LICENSE license

Imports lifecycle, methods, rlang, tools

Suggests covr, knitr, rmarkdown, testthat

Imported by dttr2, nlist, readwritesqlite, rpdo, rtide, shinyypr, ssdtools, term, ypr.

See at CRAN