derive_vars_dt_dtm_utils.md
In admiral: ADaM in R Asset Library

is_partial_datetime correctly identifies datetime and date partials

Code
  is_partial_datetime(partial_invalid)
Condition
  Error in `is_partial_datetime()`:
  ! `partial` must be a named list containing either all date components or all datetime components

Code
  is_partial_datetime(list())
Condition
  Error in `is_partial_datetime()`:
  ! `partial` must be a named list containing either all date components or all datetime components

Code
  is_partial_datetime(partial_time_only)
Condition
  Error in `is_partial_datetime()`:
  ! `partial` must be a named list containing either all date components or all datetime components