When baking a step, create an information error message when a column that
is used by the step is not present in new_data.
Usage
check_new_data(req, object, new_data)
Arguments
- req
A character vector of required columns.
- object
A step object.
- new_data
A tibble of data being baked.
Value
Invisible NULL. Side effects are the focus of the function.
