Stop with Info If Element Is Not in Expected Set — stopIfNotIn • kwb.prep

Stop with info message if element is not in expected set of elements

Usage

stopIfNotIn(
  element,
  elements,
  singular = "option",
  plural = paste0(singular, "s"),
  do_stop = TRUE
)

Arguments

element: element to be looked for in elements
elements: vector of possible elements
singular: name of object to appear in error message. Default: "option"
plural: name of object (plural) to appear in error message. Default: paste0(singular, "s")
do_stop: if FALSE (the default is TRUE) program execution does not stop. Instead a message is shown.