These quoting functions signal to scoped filtering verbs
filter_all()) that a predicate expression
should be applied to all relevant variables. The
variant takes the intersection of the predicate expressions with
& while the
any_vars() variant takes the union with
A predicate expression. This variable supports unquoting and will be evaluated in the context of the data frame. It should return a logical vector.
vars() for other quoting functions that you
can use with scoped verbs.