>=dev-lang/R-3.4.0
>=sci-CRAN/readr-1.1.1
>=sci-CRAN/haven-1.1.1
>=sci-CRAN/crayon-1.3.4
>=sci-CRAN/jsonlite-1.5
>=sci-CRAN/readxl-1.0.0

r_suggests_dplyr?
      ( >=sci-CRAN/dplyr-0.7.4 )

r_suggests_knitr?
      ( >=sci-CRAN/knitr-1.19 )

r_suggests_rmarkdown?
      ( >=sci-CRAN/rmarkdown-1.8 )

r_suggests_testthat?
      ( >=sci-CRAN/testthat-2.0.0 )

dev-lang/R:=