chk_named: Check Named

In chk: Check User-Supplied Function Arguments

Check Named

Description

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

names()

is.null()

For more details about the use of this function, please read the article vignette("chk-families").

Other name_checkers: chk_valid_name()

Examples

# chk_named
chk_named(c(x = 1))
try(chk_named(list(1)))
# vld_named
vld_named(c(x = 1))
vld_named(list(x = 1))
vld_named(c(x = 1)[-1])
vld_named(list(x = 1)[-1])
vld_named(1)
vld_named(list(1))

chk documentation built on April 3, 2025, 8:50 p.m.