Nothing
test_that("amplify", {
expect_equal(amplify(data.frame(x = 1:2) , y = nest_in(x, 3)),
data.frame(x = rep(1:2, each = 3),
y = as.character(rep(1:3, times = 2))))
expect_equal(amplify(data.frame(x = c(1, 1, 2)) , y = nest_in(x, 3)),
data.frame(x = rep(c(1, 1, 2), each = 3),
y = as.character(rep(1:3, times = 3))))
})
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