test_that("list of directions works", {
expect_equal(liste(c("(0, 1)", "(1, 1)"))[[1]][1], 0)
expect_equal(liste(c("(0, 1)", "(1, 1)"))[[1]][2], 1)
expect_equal(liste(c("(0, 1)", "(1, 1)"))[[2]][1], 1)
expect_equal(liste(c("(0, 1)", "(1, 1)"))[[2]][2], 1)
})
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