Checks if a user-defined character vector matches an expected character
vector. That is, they share the same lengths and entries in the same order.
For vectors of the same lengths, the result is all(a == b).
match_exactly(
user,
expected,
fail_action = c("message", "warning", "stop", "nothing")
)Character vector of user input.
Character vector of expected/allowed values.
If any value in user could not be
matched, or repeated matches occurred, what should happen? Possible values
are "message" (default), "warning", "stop", and
"nothing".
Logical. Do user and expected match?
Attributes are ignored.