Assert that at least one name is among table names of a dm object

Usage

assert_one_tablenames(db, tab, null_ok = TRUE, qualifier = NULL)

Arguments

db

(dm) input to check for the presence or tables.

tab

(character) the names of the tables to be checked.

null_ok

(flag) can x be NULL.

qualifier

(string) to be returned if the check fails.

Examples

if (FALSE) {
assert_one_tablenames(dm::dm_nycflights13(), c("mpg", "new", "hoho"), qualifier = "first test:")
}