Tools to Make Developing R Packages Easier
c(
    person("Hadley", "Wickham", , "hadley@rstudio.com", role = c("aut", "cre")),
    person("Winston", "Chang", role = "aut"),
    person("RStudio", role = "cph"),
    person("R Core team", role = "ctb",
      comment = "Some namespace and vignette code extracted from base R")
    )
Collection of package development tools.
httr (>= 0.4), utils, tools, methods, memoise (>= 1.0.0),
whisker, digest, rstudioapi (>= 0.2.0), jsonlite, stats, git2r
(>= 0.11.0), withr
curl (>= 0.9), crayon, testthat (>= 0.7), BiocInstaller, Rcpp
(>= 0.10.0), MASS, rmarkdown, knitr, hunspell (>= 1.2), lintr
(>= 0.2.1), bitops, roxygen2 (>= 5.0.0), evaluate, rversions,
covr, gmailr (> 0.7.0)
Hadley Wickham [aut, cre],
  Winston Chang [aut],
  RStudio [cph],
  R Core team [ctb] (Some namespace and vignette code extracted from base
    R)