checkmate (version 1.6.3)

checkNamed: Check if an argument is named

Description

Check if an argument is named

Usage

checkNamed(x, type = "named")
assertNamed(x, type = "named", add = NULL, .var.name)
testNamed(x, type = "named")

Arguments

x

[any] Object to check.

type

[character(1)] Select the check(s) to perform. unnamed checks x to be unnamed. named (default) checks x to be named which excludes names to be NA or emtpy ("").

add

[AssertCollection] Collection to store assertions. See AssertCollection.

.var.name

[character(1)] Name for x. Defaults to a heuristic to determine the name using deparse and substitute.

Value

• Depending on the function prefix: If the check is successful, all functions return TRUE. If the check is not successful, assertNamed throws an error message, testNamed returns FALSE, checkNamed returns a string with the error message. The function expect_named will return an expectation.

Examples

x = 1:3
testNamed(x, "unnamed")
names(x) = letters[1:3]
testNamed(x, "unique")