hexbin, testthat (>= 2.1.0), knitr, rmarkdown, covr
hexbin, testthat (>= 2.1.0), purrr (>= 0.3.3), knitr,
rmarkdown, covr
hexbin, testthat (>= 3.1.0), purrr (>= 0.3.4), knitr,
rmarkdown, covr
hexbin, testthat (>= 3.1.0), purrr (>= 0.3.4), knitr,
rmarkdown