Nothing
test_that("nchains nlist", {
expect_identical(nchains(nlist()), 1L)
expect_identical(nchains(nlist(x = 1)), 1L)
})
test_that("nchains nlists", {
expect_identical(nchains(nlists()), 1L)
expect_identical(nchains(nlists(nlist())), 1L)
expect_identical(nchains(nlists(nlist(), nlist())), 1L)
nlists <- nlists(nlist(x = 1), nlist(x = 3))
attr(nlists, "nchains") <- 2L
expect_identical(nchains(nlists), 2L)
})
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