Nothing
source(file.path("..", "..", "R", "guard.R"))
test_that("is_valid returns a logical", {
expect_true(is.logical(is_valid(NULL)))
expect_true(is.logical(is_valid(42)))
})
test_that("all_valid returns a logical", {
expect_true(is.logical(all_valid(list(1, 2))))
})
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