| assertions | Argument assertions |
| assert_bool | Argument assertions |
| assert_boolean | Argument assertions |
| assert_character | Argument assertions |
| assert_chr | Argument assertions |
| assert_data_frame | Argument assertions |
| assert_dbl | Argument assertions |
| assert_double | Argument assertions |
| assert_int | Argument assertions |
| assert_integer | Argument assertions |
| assert_lgl | Argument assertions |
| assert_list | Argument assertions |
| assert_logical | Argument assertions |
| assert_num | Argument assertions |
| assert_numeric | Argument assertions |
| assert_scalar_character | Argument assertions |
| assert_scalar_chr | Argument assertions |
| assert_scalar_dbl | Argument assertions |
| assert_scalar_double | Argument assertions |
| assert_scalar_int | Argument assertions |
| assert_scalar_integer | Argument assertions |
| assert_scalar_lgl | Argument assertions |
| assert_scalar_logical | Argument assertions |
| assert_scalar_num | Argument assertions |
| assert_scalar_numeric | Argument assertions |
| assert_string | Argument assertions |
| cc | Quote names |
| greprows | Pattern matching on data frame rows |
| new_package | Create a package skeleton |
| plot_palette | Plot a colour palette |