usethis::use_standalone("r-lib/rlang", "purrr") # → R/import-standalone-purrr.R
usethis::use_standalone("r-lib/rlang", "obj-type") # → R/import-standalone-obj-type.R
usethis::use_standalone("r-lib/rlang", "types-check") # → R/import-standalone-types-check.R