Nothing

```
context("simplify")
test_that("can_simplify() understands vector molds", {
x <- as.list(1:3)
x2 <- c(x, list(1:3))
expect_true(can_simplify(x, integer(1)))
expect_false(can_simplify(x, character(1)))
expect_false(can_simplify(x2, integer(1)))
x3 <- list(1:2, 3:4, 5:6)
expect_true(can_simplify(x3, integer(2)))
expect_false(can_simplify(x, integer(2)))
})
test_that("can_simplify() understands types as strings", {
x <- as.list(1:3)
expect_true(can_simplify(x, "integer"))
expect_false(can_simplify(x, "character"))
})
test_that("integer is coercible to double", {
x <- list(1L, 2L)
expect_true(can_simplify(x, "numeric"))
expect_true(can_simplify(x, numeric(1)))
expect_true(can_simplify(x, "double"))
expect_true(can_simplify(x, double(1)))
})
test_that("numeric is an alias for double", {
expect_true(can_simplify(list(1, 2), "numeric"))
})
test_that("double is not coercible to integer", {
expect_false(can_simplify(list(1, 2), "integer"))
})
```

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