sci-CRAN/R6
sci-CRAN/Rcpp
sci-CRAN/Rcpp
sci-CRAN/testthat

r_suggests_bench?
      ( sci-CRAN/bench )

r_suggests_ggplot2?
      ( sci-CRAN/ggplot2 )

r_suggests_knitr?
      ( sci-CRAN/knitr )

r_suggests_mockery?
      ( sci-CRAN/mockery )

r_suggests_rmarkdown?
      ( sci-CRAN/rmarkdown )

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

r_suggests_xml2?
      ( sci-CRAN/xml2 )

dev-lang/R:=