>=dev-lang/R-3.5.0
sci-CRAN/tidygraph
sci-CRAN/tibble
sci-CRAN/tidyr
sci-CRAN/srvyr
sci-CRAN/rlang
sci-CRAN/pillar
sci-CRAN/dplyr
sci-CRAN/purrr

r_suggests_haven?
      ( sci-CRAN/haven )

r_suggests_igraph?
      ( sci-CRAN/igraph )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_network?
      ( sci-CRAN/network )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

r_suggests_shiny?
      ( sci-CRAN/shiny )

r_suggests_survey?
      ( sci-CRAN/survey )

r_suggests_testthat?
      ( >=sci-CRAN/testthat-2.1.0 )

dev-lang/R:=