Nothing
test_that("truthy() behaves as expected", {
expect_true(truthy(TRUE))
expect_true(truthy("TRUE"))
expect_true(truthy("true"))
expect_true(truthy(1))
expect_false(truthy(0))
expect_true(truthy(NULL, default = TRUE))
expect_true(truthy(NA, default = TRUE))
expect_true(truthy(numeric(), default = TRUE))
})
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