recur-on-day-of-week.md
In almanac: Tools for Working with Recurrence Rules

can normalize various weekday character strings

Code
  yearly() %>% recur_on_day_of_week("mond")
Condition
  Error in `recur_on_day_of_week()`:
  ! `day` must be a weekday name or abbreviation.

cannot use `day > 7` or `day < 1`

Code
  (expect_error(yearly() %>% recur_on_day_of_week(8)))
Output
  <error/rlang_error>
  Error in `recur_on_day_of_week()`:
  ! `day` must be in [1, 7].
Code
  (expect_error(yearly() %>% recur_on_day_of_week(0)))
Output
  <error/rlang_error>
  Error in `recur_on_day_of_week()`:
  ! `day` must be in [1, 7].
Code
  (expect_error(yearly() %>% recur_on_day_of_week(-1)))
Output
  <error/rlang_error>
  Error in `recur_on_day_of_week()`:
  ! `day` must be in [1, 7].

`day` must be a character / integer

Code
  yearly() %>% recur_on_day_of_week(30.5)
Condition
  Error in `recur_on_day_of_week()`:
  ! Can't convert from `day` <double> to <integer> due to loss of precision.
  * Locations: 1

`day` can't be missing

Code
  yearly() %>% recur_on_day_of_week(NA_integer_)
Condition
  Error in `recur_on_day_of_week()`:
  ! `day` can't contain missing values.
  i Missing values were detected at locations: 1.

`nth` can't be missing

Code
  yearly() %>% recur_on_day_of_week(1, nth = NA_integer_)
Condition
  Error in `recur_on_day_of_week()`:
  ! `nth` can't contain missing values.
  i Missing values were detected at locations: 1.