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Check Date

Source: R/chk-date.R
chk_date.Rd

Checks non-missing Date scalar using

inherits(x, "Date") && length(x) == 1L && !anyNA(x)

Usage

chk_date(x, x_name = NULL)

vld_date(x)

Arguments

x

The object to check.

x_name

A string of the name of object x or NULL.

Value

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.

Functions

  • vld_date(): Validate Date

See also

Other chk_scalars: chk_date_time(), chk_number(), chk_scalar(), chk_string(), chk_tz(), chk_whole_number()

Examples

# chk_date
chk_date(Sys.Date())
try(chk_date(1))
#> Error in eval(expr, envir, enclos) : 
#>   `1` must be a date (non-missing Date scalar).
# vld_date
vld_date(Sys.Date())
#> [1] TRUE
vld_date(Sys.time())
#> [1] FALSE
vld_date(1)
#> [1] FALSE