Checks all elements using
all(vapply(x, chk_fun, TRUE, ...))
Value
The chk_ function throws an informative error if the test fails or
returns the original object if successful so it can used in pipes.
The vld_ function returns a flag indicating whether the test was met.
See also
For more details about the use of this function,
please read the article
vignette("chk-families").
Other all_checkers:
chk_all_equal(),
chk_all_equivalent(),
chk_all_identical()
