Nothing
test_that("`str_singleize()` works", {
expect_equal(str_singleize("abc//def", "/"), "abc/def")
expect_equal(str_singleize("abababcabab", "ab"), "abcab")
expect_equal(str_singleize(c("abab", "cdcd"), "cd"), c("abab", "cd"))
expect_equal(
str_singleize(c("abab", "cdcd"), c("ab", "cd")),
c("ab", "cd")
)
expect_equal(str_singleize(character(), "abc"), character())
})
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