Code
(expect_error(drop_na(df, list())))
Output
<error/vctrs_error_subscript_type>
Error in `drop_na()`:
! Can't select columns with `list()`.
x `list()` must be numeric or character, not an empty list.
Code
(expect_error(drop_na(df, "z")))
Output
<error/vctrs_error_subscript_oob>
Error in `drop_na()`:
! Can't select columns that don't exist.
x Column `z` doesn't exist.
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