List available R versions from Nixpkgs
Examples
available_r()
#> [1] "latest" "3.0.2" "3.0.3" "3.1.0" "3.1.2" "3.1.3" "3.2.0" "3.2.1"
#> [9] "3.2.2" "3.2.3" "3.2.4" "3.3.3" "3.4.0" "3.4.1" "3.4.2" "3.4.3"
#> [17] "3.4.4" "3.5.0" "3.5.1" "3.5.2" "3.5.3" "3.6.0" "3.6.1" "3.6.2"
#> [25] "3.6.3" "4.0.0" "4.0.2" "4.0.3" "4.0.4" "4.1.1" "4.1.2" "4.1.3"
#> [33] "4.2.0" "4.2.1" "4.2.2" "4.2.3" "4.3.1" "4.3.2" "4.3.3" "4.4.0"