assert_is_integer(1:10)
assert_is_an_integer(99L)
#These examples should fail.
assertive.base::dont_stop(assert_is_integer(c(1, 2, 3)))
assertive.base::dont_stop(assert_is_an_integer(1:10))
assertive.base::dont_stop(assert_is_an_integer(integer()))
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