chk (version 0.4.0)

chk_true: Check TRUE

Description

Checks if TRUE using

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

Usage

chk_true(x, x_name = NULL)
vld_true(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_true: Validate TRUE

See Also

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

Examples

# NOT RUN {
# chk_true
chk_true(TRUE)
try(chk_true(1))
# vld_true
vld_true(TRUE)
vld_true(FALSE)
vld_true(NA)
vld_true(0)
vld_true(c(TRUE, TRUE))
# }