vars() was only needed for the scoped verbs, which have been superseded
by the use of
across() in an existing verb. See
This helper is intended to provide equivalent semantics to
select(). It is used for instance in scoped summarising and
mutating verbs (
Note that verbs accepting a
vars() specification also accept a
numeric vector of positions or a character vector of column names.
tidy-select> Variables to include/exclude
in mutate/summarise. You can use same specifications as in
If missing, defaults to all non-grouping variables.