chk_lgl: Check Logical Scalar

In chk: Check User-Supplied Function Arguments

Check Logical Scalar

Description

Checks if logical scalar using

is.logical(x) && length(x) == 1L

Usage

chk_lgl(x, x_name = NULL)

vld_lgl(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_lgl(): Validate Logical Scalar

See Also

Other chk_logical: chk_false(), chk_flag(), chk_true()

Examples

# chk_lgl
chk_lgl(NA)
try(chk_lgl(1))
# vld_lgl
vld_lgl(TRUE)
vld_lgl(FALSE)
vld_lgl(NA)
vld_lgl(1)
vld_lgl(c(TRUE, TRUE))

chk documentation built on Oct. 6, 2023, 9:06 a.m.