insight (version 1.0.0)

validate_argument: Validate arguments against a given set of options

Description

This is a replacement for match.arg(), however, the error string should be more informative for users. The name of the affected argument is shown, and possible typos as well as remaining valid options.

Usage

validate_argument(argument, options)

Value

argument if it is a valid option, else an error is thrown.

Arguments

argument

The bare name of the argument to be validated.

options

Valid options, usually a character vector.

Examples

foo <- function(test = "small") {
  validate_argument(test, c("small", "medium", "large"))
}
foo("small")
# errors:
# foo("masll")