chk (version 0.4.0)

chk_tz: Check Time Zone

Description

Checks if non-missing valid scalar timezone using

is.character(x) && length(x) == 1L && !anyNA(x) && x %in% OlsonNames()

Usage

chk_tz(x, x_name = NULL)
vld_tz(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.

The vld_ function returns a flag indicating whether the test was met.

Functions

• vld_tz: Validate Time Zone

See Also

Other chk_scalars: chk_datetime(), chk_date(), chk_number(), chk_scalar(), chk_string(), chk_whole_number()

Examples

# NOT RUN {
chk_tz("UTC")
try(chk_tz("TCU"))
vld_tz("UTC")
vld_tz("TCU")
# }