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Assert Character Vector

Source: R/utils-validation.R
assert_character_vector.Rd

Validates that x is a character vector.

Usage

assert_character_vector(x, len = NULL, arg = deparse(substitute(x)))

Arguments

x

Value to check

len

Optional integer specifying required length. If NULL, any length is allowed

arg

Character string describing the argument (for error messages)

Value

Invisibly returns x if validation passes