Nothing
test_that("strs_isupper works", {
expect_true(strs_isupper("WORDS"))
expect_true(strs_isupper("WORDS "))
expect_false(strs_isupper("words"))
expect_false(strs_isupper(".:'"))
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.