Check Date
Checks non-missing Date scalar using
inherits(x, "Date") && length(x) == 1L && !anyNA(x)
chk_date(x, x_name = NULL) vld_date(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_ function throws an informative error if the test fails.
The vld_ function returns a flag indicating whether the test was met.
vld_date: Validate Date
Other chk_scalars:
chk_date_time(),
chk_number(),
chk_scalar(),
chk_string(),
chk_tz(),
chk_whole_number()
# chk_date chk_date(Sys.Date()) try(chk_date(1)) # vld_date vld_date(Sys.Date()) vld_date(Sys.time()) vld_date(1)
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