Nothing
test_that("ensure_igraph() works", {
expect_snapshot_error(ensure_igraph(1))
expect_snapshot_error(ensure_igraph(NA))
expect_snapshot_error(ensure_igraph(NULL))
expect_silent(ensure_igraph(make_empty_graph()))
expect_silent(ensure_igraph(NULL, optional = TRUE))
})
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.