Check Named — chk_named • chk

Checks if is named using

!is.null(names(x))

Usage

chk_named(x, x_name = NULL)

vld_named(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_named(): Validate Named

See also

Other chk_misc: chk_length(), chk_match(), chk_missing(), chk_not_any_na(), chk_not_empty(), chk_not_missing(), chk_sorted(), chk_unique(), chk_valid_name()

Examples

# chk_named
chk_named(c(x = 1))
try(chk_named(list(1)))
#> Error in eval(expr, envir, enclos) : `list(1)` must be named.
# vld_named
vld_named(c(x = 1))
#> [1] TRUE
vld_named(list(x = 1))
#> [1] TRUE
vld_named(c(x = 1)[-1])
#> [1] TRUE
vld_named(list(x = 1)[-1])
#> [1] TRUE
vld_named(1)
#> [1] FALSE
vld_named(list(1))
#> [1] FALSE