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Checks if string
is.character(x) && length(x) == 1L && !anyNA(x)
chk_string(x, x_name = NULL)vld_string(x)
vld_string(x)
The chk_ function throws an informative error if the test fails or returns the original object if successful so it can used in pipes.
chk_
The vld_ function returns a flag indicating whether the test was met.
vld_
The object to check.
A string of the name of object x or NULL.
vld_string(): Validate String
vld_string()
Other chk_scalars: chk_date(), chk_date_time(), chk_number(), chk_scalar(), chk_tz(), chk_whole_number()
chk_date()
chk_date_time()
chk_number()
chk_scalar()
chk_tz()
chk_whole_number()
# chk_string chk_string("1") try(chk_string(1)) # vld_string vld_string("1") vld_string("") vld_string(1) vld_string(NA_character_) vld_string(c("1", "1"))
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