Nothing
library(furniture)
library(testthat)
test_that("washer produces correct output vectors", {
expect_equal(washer(c(1,2,3,4), 1), c(NA,2,3,4))
expect_equal(washer(c(1,2,3,4), 1, value=0), c(0,2,3,4))
expect_equal(washer(as.character(c(1,2,3,4)), 1, value=0), as.character(c(0,2,3,4)))
})
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