Nothing
context("specify_missing")
test_that("specify_missing", {
expect_that(specify_missing(1:8), is_equivalent_to(1:8))
expect_that(specify_missing(1:8, 5), is_equivalent_to(c(1:4, NA, 6:8)))
expect_that(specify_missing(c(NA, "", "apa ", " ", "hej")),
is_equivalent_to(c(NA, NA, "apa ", NA, "hej")))
})
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