chk_count | R Documentation |
Checks if non-negative whole number using
vld_whole_number(x) && x >= 0
chk_count(x, x_name = NULL)
vld_count(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 or
returns the original object if successful so it can used in pipes.
The vld_
function returns a flag indicating whether the test was met.
vld_count()
: Validate Count
vld_whole_number()
length()
For more details about the use of this function,
please read the article
vignette("chk-families")
.
Other scalar_checkers:
chk_date()
,
chk_date_time()
,
chk_false()
,
chk_flag()
,
chk_lgl()
,
chk_scalar()
,
chk_string()
,
chk_true()
,
chk_tz()
Other whole_number_checkers:
chk_whole_number()
,
chk_whole_numeric()
# chk_count
chk_count(1)
try(chk_count(1.5))
# vld_count
vld_count(1)
vld_count(0L)
vld_count(-1)
vld_count(0.5)
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